<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:5152c570-028c-4dcf-adfc-7fed9293b34a,g:25cb4b70-8260-41e4-9e92-49628f6e06fe-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.ncino.com/role/Cover" xlink:type="simple" xlink:href="ncno-20210131.xsd#Cover"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/Cover" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="ncno-20210131.xsd#ConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_a8183bdc-d977-4412-be4a-970e9d7ad7c6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_20a3c317-986c-41a4-8e28-4373f0ebe7ce" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a8183bdc-d977-4412-be4a-970e9d7ad7c6" xlink:to="loc_us-gaap_LiabilitiesCurrent_20a3c317-986c-41a4-8e28-4373f0ebe7ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_61949297-565e-4be3-af9a-e7149a3b0767" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a8183bdc-d977-4412-be4a-970e9d7ad7c6" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_61949297-565e-4be3-af9a-e7149a3b0767" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRentCreditNoncurrent_f212edd1-825f-4e52-97aa-b3f39758f778" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRentCreditNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a8183bdc-d977-4412-be4a-970e9d7ad7c6" xlink:to="loc_us-gaap_DeferredRentCreditNoncurrent_f212edd1-825f-4e52-97aa-b3f39758f778" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_50b37bed-d042-4632-8837-07b620448abb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a8183bdc-d977-4412-be4a-970e9d7ad7c6" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_50b37bed-d042-4632-8837-07b620448abb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_566590d0-c081-4365-9e2e-5b51f6afeded" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a8183bdc-d977-4412-be4a-970e9d7ad7c6" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_566590d0-c081-4365-9e2e-5b51f6afeded" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_c847076e-b02c-45bf-917b-048aef564b1b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_a8183bdc-d977-4412-be4a-970e9d7ad7c6" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_c847076e-b02c-45bf-917b-048aef564b1b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_64dd5c70-3fc3-4b52-91c8-0e4650a3c6f3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_76b9cff3-e2bc-4497-9bad-499d6cdea804" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_64dd5c70-3fc3-4b52-91c8-0e4650a3c6f3" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_76b9cff3-e2bc-4497-9bad-499d6cdea804" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_553e78d9-bfd0-45eb-8b57-77a6a091db41" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_64dd5c70-3fc3-4b52-91c8-0e4650a3c6f3" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_553e78d9-bfd0-45eb-8b57-77a6a091db41" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_b9ece63c-dedb-42dd-84f4-a10db7be6962" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_64dd5c70-3fc3-4b52-91c8-0e4650a3c6f3" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_b9ece63c-dedb-42dd-84f4-a10db7be6962" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNetCurrent_22e29047-2846-4da9-92aa-d13ac62ca3ce" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalizedContractCostNetCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_64dd5c70-3fc3-4b52-91c8-0e4650a3c6f3" xlink:to="loc_us-gaap_CapitalizedContractCostNetCurrent_22e29047-2846-4da9-92aa-d13ac62ca3ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_e7440968-82ac-40e1-9300-bcd358583cf2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_64dd5c70-3fc3-4b52-91c8-0e4650a3c6f3" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_e7440968-82ac-40e1-9300-bcd358583cf2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_22e7ea98-f483-480d-9e43-55ffe6d3f4a8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_c298655a-13bc-4381-aef4-5c2fcf3f14f2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_22e7ea98-f483-480d-9e43-55ffe6d3f4a8" xlink:to="loc_us-gaap_Liabilities_c298655a-13bc-4381-aef4-5c2fcf3f14f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_25561797-7b74-4f4b-aecf-530b504d6520" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_22e7ea98-f483-480d-9e43-55ffe6d3f4a8" xlink:to="loc_us-gaap_CommitmentsAndContingencies_25561797-7b74-4f4b-aecf-530b504d6520" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_e52bbf76-a017-42b9-b776-195d17a8d74b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_22e7ea98-f483-480d-9e43-55ffe6d3f4a8" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_e52bbf76-a017-42b9-b776-195d17a8d74b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_5a69b244-a43a-47d3-abe8-68086d52908c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_22e7ea98-f483-480d-9e43-55ffe6d3f4a8" xlink:to="loc_us-gaap_StockholdersEquity_5a69b244-a43a-47d3-abe8-68086d52908c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_cb4cff4b-813b-49ba-9e66-57512dadac3f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_df1cb5ff-6de5-46c8-b0e2-fbac58ff2edd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_cb4cff4b-813b-49ba-9e66-57512dadac3f" xlink:to="loc_us-gaap_PreferredStockValue_df1cb5ff-6de5-46c8-b0e2-fbac58ff2edd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_4d877e9b-1747-49cc-8945-f1c80cb43ce0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_cb4cff4b-813b-49ba-9e66-57512dadac3f" xlink:to="loc_us-gaap_CommonStockValue_4d877e9b-1747-49cc-8945-f1c80cb43ce0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_b6c68011-d480-4fbc-af7a-96ea32a343db" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_cb4cff4b-813b-49ba-9e66-57512dadac3f" xlink:to="loc_us-gaap_AdditionalPaidInCapital_b6c68011-d480-4fbc-af7a-96ea32a343db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_6bdbd9c9-15b8-465f-8e99-2d8479642a45" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_cb4cff4b-813b-49ba-9e66-57512dadac3f" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_6bdbd9c9-15b8-465f-8e99-2d8479642a45" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_4d7139b5-968d-40bd-8533-15fe58188278" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_cb4cff4b-813b-49ba-9e66-57512dadac3f" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_4d7139b5-968d-40bd-8533-15fe58188278" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_290a897c-caf9-4e67-a584-0bf829624d04" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_d9ca7aea-e838-46b4-97f8-46c6dedb9fee" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_290a897c-caf9-4e67-a584-0bf829624d04" xlink:to="loc_us-gaap_AssetsCurrent_d9ca7aea-e838-46b4-97f8-46c6dedb9fee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_9ed99a5d-4711-4799-b470-5dafdcba1955" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_290a897c-caf9-4e67-a584-0bf829624d04" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_9ed99a5d-4711-4799-b470-5dafdcba1955" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNetNoncurrent_72d7d664-1ea9-4709-8479-4a5bef37a52c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalizedContractCostNetNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_290a897c-caf9-4e67-a584-0bf829624d04" xlink:to="loc_us-gaap_CapitalizedContractCostNetNoncurrent_72d7d664-1ea9-4709-8479-4a5bef37a52c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_534e9692-bb4e-455b-b992-389e2d7e5c42" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_290a897c-caf9-4e67-a584-0bf829624d04" xlink:to="loc_us-gaap_Goodwill_534e9692-bb4e-455b-b992-389e2d7e5c42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ddc16af9-8e81-447f-a1e0-9f9a9cf98d65" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_290a897c-caf9-4e67-a584-0bf829624d04" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ddc16af9-8e81-447f-a1e0-9f9a9cf98d65" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_1f472b13-08f7-40c7-9573-19025cc45b6b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_290a897c-caf9-4e67-a584-0bf829624d04" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_1f472b13-08f7-40c7-9573-19025cc45b6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_583a02e6-22df-4ea6-82b1-9290dd0fd34c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_76395290-4549-4b36-80ac-a341e87b9a80" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_583a02e6-22df-4ea6-82b1-9290dd0fd34c" xlink:to="loc_us-gaap_AccountsPayableCurrent_76395290-4549-4b36-80ac-a341e87b9a80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_40c665c2-f5af-45d1-b630-f4b34222dc1f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_583a02e6-22df-4ea6-82b1-9290dd0fd34c" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_40c665c2-f5af-45d1-b630-f4b34222dc1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedSalesCommissionCurrent_4f69a9fd-cfcd-4c2b-bee8-75b17778740c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedSalesCommissionCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_583a02e6-22df-4ea6-82b1-9290dd0fd34c" xlink:to="loc_us-gaap_AccruedSalesCommissionCurrent_4f69a9fd-cfcd-4c2b-bee8-75b17778740c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_d464f90d-852f-413b-a45b-1ff86bbd7278" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_583a02e6-22df-4ea6-82b1-9290dd0fd34c" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_d464f90d-852f-413b-a45b-1ff86bbd7278" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRentCreditCurrent_ef555fdd-66a4-4bb4-a799-a686d566b05b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRentCreditCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_583a02e6-22df-4ea6-82b1-9290dd0fd34c" xlink:to="loc_us-gaap_DeferredRentCreditCurrent_ef555fdd-66a4-4bb4-a799-a686d566b05b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_e4e170ed-6253-4ef6-b8a4-85abf39d4234" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_583a02e6-22df-4ea6-82b1-9290dd0fd34c" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_e4e170ed-6253-4ef6-b8a4-85abf39d4234" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_bf74ae52-dd9e-4898-bd0e-006de3bc40f1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_583a02e6-22df-4ea6-82b1-9290dd0fd34c" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_bf74ae52-dd9e-4898-bd0e-006de3bc40f1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="ncno-20210131.xsd#ConsolidatedBalanceSheetsParenthetical"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/ConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="ncno-20210131.xsd#ConsolidatedStatementsofOperations"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_4254b9ff-65a4-4788-94f7-3d226723cd7f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_391cbbcf-ee5d-4008-9070-688bc53a7fc7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_4254b9ff-65a4-4788-94f7-3d226723cd7f" xlink:to="loc_us-gaap_OperatingIncomeLoss_391cbbcf-ee5d-4008-9070-688bc53a7fc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_dda3692d-e51f-4e6e-9254-61bb4da6645f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_4254b9ff-65a4-4788-94f7-3d226723cd7f" xlink:to="loc_us-gaap_InvestmentIncomeInterest_dda3692d-e51f-4e6e-9254-61bb4da6645f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_29d1d052-27bb-4fa1-b271-fa86cfb08f99" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_4254b9ff-65a4-4788-94f7-3d226723cd7f" xlink:to="loc_us-gaap_InterestExpense_29d1d052-27bb-4fa1-b271-fa86cfb08f99" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_8bb885bf-c03f-4d8c-b560-6658323a8ed2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_4254b9ff-65a4-4788-94f7-3d226723cd7f" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_8bb885bf-c03f-4d8c-b560-6658323a8ed2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_63c2cb74-9db4-412b-aa52-35611ddbc8ea" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_6d1092de-7774-46d8-a093-b90fabe905d2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_63c2cb74-9db4-412b-aa52-35611ddbc8ea" xlink:to="loc_us-gaap_GrossProfit_6d1092de-7774-46d8-a093-b90fabe905d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_bb5b4c5f-f045-499b-b0d5-9137bb0ce96b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_63c2cb74-9db4-412b-aa52-35611ddbc8ea" xlink:to="loc_us-gaap_OperatingExpenses_bb5b4c5f-f045-499b-b0d5-9137bb0ce96b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_4c3b7ec4-b3bb-4cbe-a352-281ec20cb379" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_8d62aeb2-da0c-4ec7-84bb-8038561fae78" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_4c3b7ec4-b3bb-4cbe-a352-281ec20cb379" xlink:to="loc_us-gaap_ProfitLoss_8d62aeb2-da0c-4ec7-84bb-8038561fae78" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest_3d37dd4d-a9d4-4c4b-b3a1-bbd7f959e8bb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_4c3b7ec4-b3bb-4cbe-a352-281ec20cb379" xlink:to="loc_us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest_3d37dd4d-a9d4-4c4b-b3a1-bbd7f959e8bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_NetIncomeLossAdjustmentsToRedeemableNoncontrollingInterest_827ca40d-ee33-4f60-97a7-2911f259a457" xlink:href="ncno-20210131.xsd#ncno_NetIncomeLossAdjustmentsToRedeemableNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_4c3b7ec4-b3bb-4cbe-a352-281ec20cb379" xlink:to="loc_ncno_NetIncomeLossAdjustmentsToRedeemableNoncontrollingInterest_827ca40d-ee33-4f60-97a7-2911f259a457" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_4f0430d2-49df-422c-bc13-0df369cfd13f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6263b655-d891-4e81-bc92-f71169388819" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_4f0430d2-49df-422c-bc13-0df369cfd13f" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6263b655-d891-4e81-bc92-f71169388819" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_513eb386-bd1a-4cee-89e5-ecda59f1a3a2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_4f0430d2-49df-422c-bc13-0df369cfd13f" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_513eb386-bd1a-4cee-89e5-ecda59f1a3a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_bacecd2d-d796-47d0-853a-1f080fab0545" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_6f656999-3045-48f8-8ef3-b34f7b08c05d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_bacecd2d-d796-47d0-853a-1f080fab0545" xlink:to="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_6f656999-3045-48f8-8ef3-b34f7b08c05d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4695b3cd-ad05-4066-876f-9d3c938f033b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_bacecd2d-d796-47d0-853a-1f080fab0545" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_4695b3cd-ad05-4066-876f-9d3c938f033b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_49047b20-1be8-4ff8-a5c3-5e572a573cf6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_a19f824b-d37d-42d8-8fa0-7a41e38df102" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_49047b20-1be8-4ff8-a5c3-5e572a573cf6" xlink:to="loc_us-gaap_SellingAndMarketingExpense_a19f824b-d37d-42d8-8fa0-7a41e38df102" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_bed96b75-7658-4d11-830f-384b03c635d4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_49047b20-1be8-4ff8-a5c3-5e572a573cf6" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_bed96b75-7658-4d11-830f-384b03c635d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_c6b7a3a7-409a-42e5-8616-a3351431f9e1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_49047b20-1be8-4ff8-a5c3-5e572a573cf6" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_c6b7a3a7-409a-42e5-8616-a3351431f9e1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/ConsolidatedStatementsofOperationsParenthetical" xlink:type="simple" xlink:href="ncno-20210131.xsd#ConsolidatedStatementsofOperationsParenthetical"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ConsolidatedStatementsofOperationsParenthetical" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/ConsolidatedStatementofComprehensiveLossUnaudited" xlink:type="simple" xlink:href="ncno-20210131.xsd#ConsolidatedStatementofComprehensiveLossUnaudited"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ConsolidatedStatementofComprehensiveLossUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_a08797bc-8a79-4fe7-83a5-94bb0890f514" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_79709f1e-053d-42bd-8dc1-9cbf73dab0c8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_a08797bc-8a79-4fe7-83a5-94bb0890f514" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_79709f1e-053d-42bd-8dc1-9cbf73dab0c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_d29644ed-67ee-4769-a922-12303c5a241b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_00183fde-b209-433a-a56c-f9af7b6c4c75" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_d29644ed-67ee-4769-a922-12303c5a241b" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_00183fde-b209-433a-a56c-f9af7b6c4c75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_89158604-bf34-4caf-bf6f-0723b5dc99ed" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_d29644ed-67ee-4769-a922-12303c5a241b" xlink:to="loc_us-gaap_ProfitLoss_89158604-bf34-4caf-bf6f-0723b5dc99ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_20359472-5d0a-4b0e-8dc0-9d08656f4a87" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_38bc4814-ee47-4a87-a8ff-64280f67f9c3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_20359472-5d0a-4b0e-8dc0-9d08656f4a87" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_38bc4814-ee47-4a87-a8ff-64280f67f9c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest_f28098da-cb5f-4608-b7ae-b305731dd963" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_20359472-5d0a-4b0e-8dc0-9d08656f4a87" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest_f28098da-cb5f-4608-b7ae-b305731dd963" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_7585c766-70d6-42c3-a1a1-dcf810dd7281" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_ec12f9ab-4067-463e-bf39-1e4c2e38251d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_7585c766-70d6-42c3-a1a1-dcf810dd7281" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_ec12f9ab-4067-463e-bf39-1e4c2e38251d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_c26a0028-24ca-4e46-be41-4cda5d194361" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_7585c766-70d6-42c3-a1a1-dcf810dd7281" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_c26a0028-24ca-4e46-be41-4cda5d194361" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/ConsolidatedStatementsofStockholdersEquity" xlink:type="simple" xlink:href="ncno-20210131.xsd#ConsolidatedStatementsofStockholdersEquity"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ConsolidatedStatementsofStockholdersEquity" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/ConsolidatedStatementsofStockholdersEquityParenthetical" xlink:type="simple" xlink:href="ncno-20210131.xsd#ConsolidatedStatementsofStockholdersEquityParenthetical"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ConsolidatedStatementsofStockholdersEquityParenthetical" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/ConsolidatedStatementofCashFlowsStatement" xlink:type="simple" xlink:href="ncno-20210131.xsd#ConsolidatedStatementofCashFlowsStatement"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ConsolidatedStatementofCashFlowsStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_dac343aa-2ddb-408f-ad92-c5038084560d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_1f8e91a2-9d2f-43b3-8fb0-d43743985e32" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_dac343aa-2ddb-408f-ad92-c5038084560d" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_1f8e91a2-9d2f-43b3-8fb0-d43743985e32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9856d262-e672-4626-af14-7112f26b934a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_dac343aa-2ddb-408f-ad92-c5038084560d" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9856d262-e672-4626-af14-7112f26b934a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_1d84bc8e-8d4b-4f37-9d91-e24c467acaa8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_NetIncomeLossAttributableToRedeemableNoncontrollingInterestNetOfAdjustment_f14573dd-967f-4eb3-8cfe-06b139b1d7ec" xlink:href="ncno-20210131.xsd#ncno_NetIncomeLossAttributableToRedeemableNoncontrollingInterestNetOfAdjustment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_1d84bc8e-8d4b-4f37-9d91-e24c467acaa8" xlink:to="loc_ncno_NetIncomeLossAttributableToRedeemableNoncontrollingInterestNetOfAdjustment_f14573dd-967f-4eb3-8cfe-06b139b1d7ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_459fa2fc-6eb9-4618-9d96-766799c5ceee" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_1d84bc8e-8d4b-4f37-9d91-e24c467acaa8" xlink:to="loc_us-gaap_ProfitLoss_459fa2fc-6eb9-4618-9d96-766799c5ceee" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3ebc4189-6cae-4023-9f9d-153ecac6b0c2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b91835a2-137b-4737-8478-e2e4c6a10721" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3ebc4189-6cae-4023-9f9d-153ecac6b0c2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b91835a2-137b-4737-8478-e2e4c6a10721" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8085a905-3c22-47e7-8548-5f87bf0b18f0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3ebc4189-6cae-4023-9f9d-153ecac6b0c2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8085a905-3c22-47e7-8548-5f87bf0b18f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_66ad0244-4045-4a2e-a1df-eae39d1054d0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3ebc4189-6cae-4023-9f9d-153ecac6b0c2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_66ad0244-4045-4a2e-a1df-eae39d1054d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_da2c4133-6df5-402b-bcca-79d1293368a2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3ebc4189-6cae-4023-9f9d-153ecac6b0c2" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_da2c4133-6df5-402b-bcca-79d1293368a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_c048ab14-b1ca-4fb7-b425-9db5eeb891db" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_ProfitLoss_c048ab14-b1ca-4fb7-b425-9db5eeb891db" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_27a22af6-491a-44ad-8ee6-b6465649c019" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_27a22af6-491a-44ad-8ee6-b6465649c019" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostAmortization_98f9f9fb-daac-47a4-9901-db9b892527e7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalizedContractCostAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_CapitalizedContractCostAmortization_98f9f9fb-daac-47a4-9901-db9b892527e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_736aa4c2-ed75-4bb4-a138-6b5793c1aa8a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_ShareBasedCompensation_736aa4c2-ed75-4bb4-a138-6b5793c1aa8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_DeferredIncomeTaxExpenseBenefitExcludingForeignExchangeAdjustment_a963a61b-46cc-4f94-97cb-6230bb097325" xlink:href="ncno-20210131.xsd#ncno_DeferredIncomeTaxExpenseBenefitExcludingForeignExchangeAdjustment"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_ncno_DeferredIncomeTaxExpenseBenefitExcludingForeignExchangeAdjustment_a963a61b-46cc-4f94-97cb-6230bb097325" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_AccountsReceivableCreditLossExpenseReversalNetOfWriteOff_a9211d96-4c5b-4477-ad48-95a4b1de2a77" xlink:href="ncno-20210131.xsd#ncno_AccountsReceivableCreditLossExpenseReversalNetOfWriteOff"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_ncno_AccountsReceivableCreditLossExpenseReversalNetOfWriteOff_a9211d96-4c5b-4477-ad48-95a4b1de2a77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainBeforeTax_fdbefff6-29c1-4e8e-8404-555ed66dae77" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainBeforeTax"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainBeforeTax_fdbefff6-29c1-4e8e-8404-555ed66dae77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_f692cd42-4365-4994-80b9-04609d41b849" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_f692cd42-4365-4994-80b9-04609d41b849" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_83986572-8995-4884-802a-81d1ac2c3da2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_83986572-8995-4884-802a-81d1ac2c3da2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_IncreaseDecreaseInCostsToObtainContracts_2309877c-a22b-4d5a-97a2-0543c6dbc2ca" xlink:href="ncno-20210131.xsd#ncno_IncreaseDecreaseInCostsToObtainContracts"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_ncno_IncreaseDecreaseInCostsToObtainContracts_2309877c-a22b-4d5a-97a2-0543c6dbc2ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_d8bf7d4d-568a-49e0-977a-ed83c0cd63fc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_d8bf7d4d-568a-49e0-977a-ed83c0cd63fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_4ed5ba69-3223-4ead-8b0c-4a34fc70e3bd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_4ed5ba69-3223-4ead-8b0c-4a34fc70e3bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_ad5c8fac-9cf3-447c-9562-d953b72bb7ba" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_ad5c8fac-9cf3-447c-9562-d953b72bb7ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_IncreaseDecreaseInDeferredRent_1e301500-f09d-4692-b6c0-db3c16b4ba79" xlink:href="ncno-20210131.xsd#ncno_IncreaseDecreaseInDeferredRent"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_ncno_IncreaseDecreaseInDeferredRent_1e301500-f09d-4692-b6c0-db3c16b4ba79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_4029b912-1864-45b1-8d9b-bf233bddc0e7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_4029b912-1864-45b1-8d9b-bf233bddc0e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_IncreaseDecreaseInContractWithCustomerLiabilityRelatedParties_5ce1ff85-12d4-464b-8a76-e1130680c81f" xlink:href="ncno-20210131.xsd#ncno_IncreaseDecreaseInContractWithCustomerLiabilityRelatedParties"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1f280550-e6d8-4805-a658-04ec83463c58" xlink:to="loc_ncno_IncreaseDecreaseInContractWithCustomerLiabilityRelatedParties_5ce1ff85-12d4-464b-8a76-e1130680c81f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ffc6d7d8-9653-4132-8c11-11283ba160c2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceInitialPublicOffering_96fc106c-bef3-4fae-a7eb-842ceadc938d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceInitialPublicOffering"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ffc6d7d8-9653-4132-8c11-11283ba160c2" xlink:to="loc_us-gaap_ProceedsFromIssuanceInitialPublicOffering_96fc106c-bef3-4fae-a7eb-842ceadc938d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts_6095c62c-5c59-4709-ac6f-049871d6f482" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfStockIssuanceCosts"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ffc6d7d8-9653-4132-8c11-11283ba160c2" xlink:to="loc_us-gaap_PaymentsOfStockIssuanceCosts_6095c62c-5c59-4709-ac6f-049871d6f482" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMinorityShareholders_06417d08-1b32-41f0-b2ef-ff65b4cfdb7a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ffc6d7d8-9653-4132-8c11-11283ba160c2" xlink:to="loc_us-gaap_ProceedsFromMinorityShareholders_06417d08-1b32-41f0-b2ef-ff65b4cfdb7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_ba2d8134-227b-4080-a978-1268abc6ab1e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ffc6d7d8-9653-4132-8c11-11283ba160c2" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_ba2d8134-227b-4080-a978-1268abc6ab1e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_PaymentsOfDeferredCosts_a75ec7d3-c5e1-4805-a91c-9a179b5b9aa4" xlink:href="ncno-20210131.xsd#ncno_PaymentsOfDeferredCosts"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ffc6d7d8-9653-4132-8c11-11283ba160c2" xlink:to="loc_ncno_PaymentsOfDeferredCosts_a75ec7d3-c5e1-4805-a91c-9a179b5b9aa4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_e3bb0961-0f85-4e48-a3f2-beef4b952c61" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ffc6d7d8-9653-4132-8c11-11283ba160c2" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_e3bb0961-0f85-4e48-a3f2-beef4b952c61" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_1ec340fa-d5a3-41f5-b221-cd0d1ed40e6b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ffc6d7d8-9653-4132-8c11-11283ba160c2" xlink:to="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_1ec340fa-d5a3-41f5-b221-cd0d1ed40e6b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_CapitalLeasesPrincipalPayments_4394ddde-0c39-4bc5-b4dd-b2fc542fe162" xlink:href="ncno-20210131.xsd#ncno_CapitalLeasesPrincipalPayments"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ffc6d7d8-9653-4132-8c11-11283ba160c2" xlink:to="loc_ncno_CapitalLeasesPrincipalPayments_4394ddde-0c39-4bc5-b4dd-b2fc542fe162" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/OrganizationandDescriptionofBusiness" xlink:type="simple" xlink:href="ncno-20210131.xsd#OrganizationandDescriptionofBusiness"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/OrganizationandDescriptionofBusiness" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/OrganizationandDescriptionofBusinessDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#OrganizationandDescriptionofBusinessDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/OrganizationandDescriptionofBusinessDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/SummaryofSignificantAccountingPolicies" xlink:type="simple" xlink:href="ncno-20210131.xsd#SummaryofSignificantAccountingPolicies"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/SummaryofSignificantAccountingPolicies" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="ncno-20210131.xsd#SummaryofSignificantAccountingPoliciesPolicies"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesPolicies" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#SummaryofSignificantAccountingPoliciesTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#SummaryofSignificantAccountingPoliciesNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesSummaryofUncollectibleAccountsDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#SummaryofSignificantAccountingPoliciesSummaryofUncollectibleAccountsDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesSummaryofUncollectibleAccountsDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesPropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#SummaryofSignificantAccountingPoliciesPropertyPlantandEquipmentDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/SummaryofSignificantAccountingPoliciesPropertyPlantandEquipmentDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/VariableInterestEntityandRedeemableNonControllingInterest" xlink:type="simple" xlink:href="ncno-20210131.xsd#VariableInterestEntityandRedeemableNonControllingInterest"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/VariableInterestEntityandRedeemableNonControllingInterest" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/VariableInterestEntityandRedeemableNonControllingInterestTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#VariableInterestEntityandRedeemableNonControllingInterestTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/VariableInterestEntityandRedeemableNonControllingInterestTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/VariableInterestEntityandRedeemableNonControllingInterestNarrativeDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#VariableInterestEntityandRedeemableNonControllingInterestNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/VariableInterestEntityandRedeemableNonControllingInterestNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/VariableInterestEntityandRedeemableNonControllingInterestFinancialAssetsMeasuredAtFairValueDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#VariableInterestEntityandRedeemableNonControllingInterestFinancialAssetsMeasuredAtFairValueDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/VariableInterestEntityandRedeemableNonControllingInterestFinancialAssetsMeasuredAtFairValueDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/FairValueofFinancialInstruments" xlink:type="simple" xlink:href="ncno-20210131.xsd#FairValueofFinancialInstruments"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/FairValueofFinancialInstruments" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/FairValueofFinancialInstrumentsTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#FairValueofFinancialInstrumentsTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/FairValueofFinancialInstrumentsTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/FairValueofFinancialInstrumentsSummaryofFinancialAssetsDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#FairValueofFinancialInstrumentsSummaryofFinancialAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/FairValueofFinancialInstrumentsSummaryofFinancialAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_fb5370f9-50f0-433a-8a5f-81d76f710032" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_07453b37-daa9-4987-8a51-5801db5bbe80" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_fb5370f9-50f0-433a-8a5f-81d76f710032" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_07453b37-daa9-4987-8a51-5801db5bbe80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_4eee5783-1ef1-4d5f-9b03-77fe885a6a5d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_faaf9bff-39e6-4920-825c-e5904d361211" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_4eee5783-1ef1-4d5f-9b03-77fe885a6a5d" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_faaf9bff-39e6-4920-825c-e5904d361211" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/FairValueofFinancialInstrumentsReconciliationforContingentConsiderationObligationsDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#FairValueofFinancialInstrumentsReconciliationforContingentConsiderationObligationsDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/FairValueofFinancialInstrumentsReconciliationforContingentConsiderationObligationsDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/Revenues" xlink:type="simple" xlink:href="ncno-20210131.xsd#Revenues"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/Revenues" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/RevenuesTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#RevenuesTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/RevenuesTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/RevenuesRevenueByGeographicRegionDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#RevenuesRevenueByGeographicRegionDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/RevenuesRevenueByGeographicRegionDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/RevenuesAccountsReceivableLessAllowanceforDoubtfulAccountsDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#RevenuesAccountsReceivableLessAllowanceforDoubtfulAccountsDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/RevenuesAccountsReceivableLessAllowanceforDoubtfulAccountsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_a869b588-785c-4e6b-a23d-fae77c438abc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_fc0c8371-2be3-4e35-ba79-f59c15a9845d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_a869b588-785c-4e6b-a23d-fae77c438abc" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_fc0c8371-2be3-4e35-ba79-f59c15a9845d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnbilledReceivablesCurrent_f0447cc5-f880-4ac9-8612-61c1c6e93c58" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnbilledReceivablesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_a869b588-785c-4e6b-a23d-fae77c438abc" xlink:to="loc_us-gaap_UnbilledReceivablesCurrent_f0447cc5-f880-4ac9-8612-61c1c6e93c58" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_84989da9-675b-473e-82dc-554cc23422ab" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_a869b588-785c-4e6b-a23d-fae77c438abc" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_84989da9-675b-473e-82dc-554cc23422ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesNetCurrent_cbf37516-10ee-46a1-836d-1c8d59b6cecd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherReceivablesNetCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent_a869b588-785c-4e6b-a23d-fae77c438abc" xlink:to="loc_us-gaap_OtherReceivablesNetCurrent_cbf37516-10ee-46a1-836d-1c8d59b6cecd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/RevenuesNarrativeDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#RevenuesNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/RevenuesNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/RevenuesNarrativeDetails_1" xlink:type="simple" xlink:href="ncno-20210131.xsd#RevenuesNarrativeDetails_1"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/RevenuesNarrativeDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/PropertyandEquipment" xlink:type="simple" xlink:href="ncno-20210131.xsd#PropertyandEquipment"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/PropertyandEquipment" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/PropertyandEquipmentTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#PropertyandEquipmentTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/PropertyandEquipmentTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/PropertyandEquipmentPropertyandequipmentnetDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#PropertyandEquipmentPropertyandequipmentnetDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/PropertyandEquipmentPropertyandequipmentnetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_91f06055-59c4-4a43-be87-8b02af9422ae" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_104cce57-47a1-4dce-901e-74ddbaa5dc43" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_91f06055-59c4-4a43-be87-8b02af9422ae" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_104cce57-47a1-4dce-901e-74ddbaa5dc43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_a4538cf4-3aff-480f-9bfb-72452109ad36" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_91f06055-59c4-4a43-be87-8b02af9422ae" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_a4538cf4-3aff-480f-9bfb-72452109ad36" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/PropertyandEquipmentDepreciationExpenseDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#PropertyandEquipmentDepreciationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/PropertyandEquipmentDepreciationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_0be15a19-fad0-41b6-a484-12ba9049768c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Depreciation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationNonproduction_e1309eed-5a67-4d35-8f20-1236ca242ebc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationNonproduction"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Depreciation_0be15a19-fad0-41b6-a484-12ba9049768c" xlink:to="loc_us-gaap_DepreciationNonproduction_e1309eed-5a67-4d35-8f20-1236ca242ebc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciation_721e7022-40e5-41c2-b35b-7945275f0e2f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfGoodsAndServicesSoldDepreciation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Depreciation_0be15a19-fad0-41b6-a484-12ba9049768c" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciation_721e7022-40e5-41c2-b35b-7945275f0e2f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/BusinessCombinations" xlink:type="simple" xlink:href="ncno-20210131.xsd#BusinessCombinations"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BusinessCombinations" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/BusinessCombinationsTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#BusinessCombinationsTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BusinessCombinationsTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/BusinessCombinationsNarrativeDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#BusinessCombinationsNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BusinessCombinationsNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/BusinessCombinationsAcquisitionofVisibleEquityLLCConsiderationTransferredDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#BusinessCombinationsAcquisitionofVisibleEquityLLCConsiderationTransferredDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BusinessCombinationsAcquisitionofVisibleEquityLLCConsiderationTransferredDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/BusinessCombinationsSummaryOfNetAssetsAcquiredDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#BusinessCombinationsSummaryOfNetAssetsAcquiredDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BusinessCombinationsSummaryOfNetAssetsAcquiredDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e69a6561-2c0e-48f8-9915-fc8faa51d26e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_c45e0064-de61-4bb4-9f69-e32a8cd6357d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e69a6561-2c0e-48f8-9915-fc8faa51d26e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_c45e0064-de61-4bb4-9f69-e32a8cd6357d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_f4e8e8ec-84be-46a5-a860-7890dc4d5898" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e69a6561-2c0e-48f8-9915-fc8faa51d26e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_f4e8e8ec-84be-46a5-a860-7890dc4d5898" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAndNoncurrentAssetsOther_fae0c3e7-4a17-4b23-839e-2ea5de119d22" xlink:href="ncno-20210131.xsd#ncno_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAndNoncurrentAssetsOther"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e69a6561-2c0e-48f8-9915-fc8faa51d26e" xlink:to="loc_ncno_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAndNoncurrentAssetsOther_fae0c3e7-4a17-4b23-839e-2ea5de119d22" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_a8cf091c-aa70-43a1-96ff-fd5ca2400f0c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e69a6561-2c0e-48f8-9915-fc8faa51d26e" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_a8cf091c-aa70-43a1-96ff-fd5ca2400f0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_f2e0ceef-f8ab-465d-9b6f-f9b83b84f688" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e69a6561-2c0e-48f8-9915-fc8faa51d26e" xlink:to="loc_us-gaap_Goodwill_f2e0ceef-f8ab-465d-9b6f-f9b83b84f688" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAccruedExpensesAndOtherCurrentAndNoncurrentLiabilities_d347d803-f5ed-46c7-899d-e7dee84a58b1" xlink:href="ncno-20210131.xsd#ncno_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAccruedExpensesAndOtherCurrentAndNoncurrentLiabilities"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_e69a6561-2c0e-48f8-9915-fc8faa51d26e" xlink:to="loc_ncno_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAccruedExpensesAndOtherCurrentAndNoncurrentLiabilities_d347d803-f5ed-46c7-899d-e7dee84a58b1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/BusinessCombinationsComponentsofIdentifiableIntangibleAssetsDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#BusinessCombinationsComponentsofIdentifiableIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BusinessCombinationsComponentsofIdentifiableIntangibleAssetsDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/BusinessCombinationsAcquisitionofFinsuitePtyLtdConsiderationTransferredDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#BusinessCombinationsAcquisitionofFinsuitePtyLtdConsiderationTransferredDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BusinessCombinationsAcquisitionofFinsuitePtyLtdConsiderationTransferredDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_c99ef709-dedc-48ca-b852-96eadcd69e03" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_BusinessCombinationConsiderationTransferredCashPaid_073c3eae-6abd-4b86-94f6-e3e8a6b31261" xlink:href="ncno-20210131.xsd#ncno_BusinessCombinationConsiderationTransferredCashPaid"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_c99ef709-dedc-48ca-b852-96eadcd69e03" xlink:to="loc_ncno_BusinessCombinationConsiderationTransferredCashPaid_073c3eae-6abd-4b86-94f6-e3e8a6b31261" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_42880ee8-bc4d-49e1-b4c3-442f40adeb3c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_c99ef709-dedc-48ca-b852-96eadcd69e03" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_42880ee8-bc4d-49e1-b4c3-442f40adeb3c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_95a639ad-523e-4230-a6cb-c00f6b61060c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_c99ef709-dedc-48ca-b852-96eadcd69e03" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_95a639ad-523e-4230-a6cb-c00f6b61060c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_0c975b27-dd80-494d-8ad9-85ac57edb357" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_c99ef709-dedc-48ca-b852-96eadcd69e03" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_0c975b27-dd80-494d-8ad9-85ac57edb357" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/BusinessCombinationsProFormaInformationDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#BusinessCombinationsProFormaInformationDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BusinessCombinationsProFormaInformationDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/GoodwillandIntangibleAssets" xlink:type="simple" xlink:href="ncno-20210131.xsd#GoodwillandIntangibleAssets"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/GoodwillandIntangibleAssets" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/GoodwillandIntangibleAssetsTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#GoodwillandIntangibleAssetsTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/GoodwillandIntangibleAssetsTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d525f01f-2b2c-46ce-a42a-37151fd43e7d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_61b39a8f-2a97-4af5-861e-366a29a9e867" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d525f01f-2b2c-46ce-a42a-37151fd43e7d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_61b39a8f-2a97-4af5-861e-366a29a9e867" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5b5c1924-da92-4946-812c-4e591b6397c9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_d525f01f-2b2c-46ce-a42a-37151fd43e7d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5b5c1924-da92-4946-812c-4e591b6397c9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/GoodwillandIntangibleAssetsAmortizationExpenseDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#GoodwillandIntangibleAssetsAmortizationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/GoodwillandIntangibleAssetsAmortizationExpenseDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/GoodwillandIntangibleAssetsExpectedFutureAmortizationExpenseDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#GoodwillandIntangibleAssetsExpectedFutureAmortizationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/GoodwillandIntangibleAssetsExpectedFutureAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_91c2569f-a2e7-46d6-a87c-68c2d1919704" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_60472b4b-85a3-4cc4-8ddd-c997e4ce788c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_91c2569f-a2e7-46d6-a87c-68c2d1919704" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_60472b4b-85a3-4cc4-8ddd-c997e4ce788c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_e24ba6ac-e796-471f-9215-09d38d37d898" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_91c2569f-a2e7-46d6-a87c-68c2d1919704" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_e24ba6ac-e796-471f-9215-09d38d37d898" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_2e1b4350-3933-4e20-9176-9b2b21a00e7f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_91c2569f-a2e7-46d6-a87c-68c2d1919704" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_2e1b4350-3933-4e20-9176-9b2b21a00e7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_56554195-4ee3-48a6-89f6-5db5eaa0e9fc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_91c2569f-a2e7-46d6-a87c-68c2d1919704" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_56554195-4ee3-48a6-89f6-5db5eaa0e9fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_1d172398-b704-40f1-af2d-af699a89462d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_91c2569f-a2e7-46d6-a87c-68c2d1919704" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_1d172398-b704-40f1-af2d-af699a89462d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_0a50d6b1-777a-4fa3-984f-ec95e26e9fa0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_91c2569f-a2e7-46d6-a87c-68c2d1919704" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_0a50d6b1-777a-4fa3-984f-ec95e26e9fa0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/GoodwillandIntangibleAssetsNarrativeDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#GoodwillandIntangibleAssetsNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/GoodwillandIntangibleAssetsNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#GoodwillandIntangibleAssetsScheduleofGoodwillDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/ResellerAgreement" xlink:type="simple" xlink:href="ncno-20210131.xsd#ResellerAgreement"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ResellerAgreement" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/ResellerAgreementNarrativeDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#ResellerAgreementNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/ResellerAgreementNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/StockholdersEquity" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockholdersEquity"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockholdersEquity" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/StockholdersEquityTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockholdersEquityTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockholdersEquityTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/StockholdersEquityNarrativeDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockholdersEquityNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/StockholdersEquityCommonStockFutureIssuanceDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockholdersEquityCommonStockFutureIssuanceDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockholdersEquityCommonStockFutureIssuanceDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_9eb442de-b415-45ae-863d-93abd4d95a0c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_f262c093-a4c8-4dfe-9061-e0d9db6b2b32" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_9eb442de-b415-45ae-863d-93abd4d95a0c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_f262c093-a4c8-4dfe-9061-e0d9db6b2b32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedAndOutstandingAndNotIssuedAndOutstanding_5ec54aeb-ca3f-4e70-9778-48990253de3f" xlink:href="ncno-20210131.xsd#ncno_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedAndOutstandingAndNotIssuedAndOutstanding"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_9eb442de-b415-45ae-863d-93abd4d95a0c" xlink:to="loc_ncno_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsIssuedAndOutstandingAndNotIssuedAndOutstanding_5ec54aeb-ca3f-4e70-9778-48990253de3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_CommonStockPossibleIssuanceOfCapitalShares_42e3f113-3a48-4fc7-a9c4-920d5ff26db9" xlink:href="ncno-20210131.xsd#ncno_CommonStockPossibleIssuanceOfCapitalShares"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_9eb442de-b415-45ae-863d-93abd4d95a0c" xlink:to="loc_ncno_CommonStockPossibleIssuanceOfCapitalShares_42e3f113-3a48-4fc7-a9c4-920d5ff26db9" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/StockBasedCompensation" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockBasedCompensation"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockBasedCompensation" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/StockBasedCompensationTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockBasedCompensationTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockBasedCompensationTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/StockBasedCompensationNarrativeDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockBasedCompensationNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/StockBasedCompensationStockOptionValuationAssumptionsDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockBasedCompensationStockOptionValuationAssumptionsDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockBasedCompensationStockOptionValuationAssumptionsDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockBasedCompensationStockOptionActivityDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockBasedCompensationStockOptionActivityDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/StockBasedCompensationRSUsActivityDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#StockBasedCompensationRSUsActivityDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/StockBasedCompensationRSUsActivityDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/IncomeTaxes" xlink:type="simple" xlink:href="ncno-20210131.xsd#IncomeTaxes"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/IncomeTaxes" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/IncomeTaxesTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#IncomeTaxesTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/IncomeTaxesTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/IncomeTaxesIncomeLossBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#IncomeTaxesIncomeLossBeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/IncomeTaxesIncomeLossBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9492d2c9-3649-445f-9684-f68183396620" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_4bf2eb34-289f-4e7c-947b-fe388a387b88" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9492d2c9-3649-445f-9684-f68183396620" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_4bf2eb34-289f-4e7c-947b-fe388a387b88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_1f3c32cc-2dc5-430f-8778-afbac432c599" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_9492d2c9-3649-445f-9684-f68183396620" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_1f3c32cc-2dc5-430f-8778-afbac432c599" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/IncomeTaxesProvisionBenefitforIncomeTaxDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#IncomeTaxesProvisionBenefitforIncomeTaxDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/IncomeTaxesProvisionBenefitforIncomeTaxDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ecda3a23-2ce3-45e2-9f3f-c7a9e7337bf6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_0629ebc2-b71e-40f4-be63-eff4e79fca66" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ecda3a23-2ce3-45e2-9f3f-c7a9e7337bf6" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_0629ebc2-b71e-40f4-be63-eff4e79fca66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_edd3ef1f-8acf-4534-999e-df814868b211" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ecda3a23-2ce3-45e2-9f3f-c7a9e7337bf6" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_edd3ef1f-8acf-4534-999e-df814868b211" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_885f76ea-9bbb-485f-8ca4-1375c2867dad" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ecda3a23-2ce3-45e2-9f3f-c7a9e7337bf6" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_885f76ea-9bbb-485f-8ca4-1375c2867dad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_542de997-2ec8-4ab0-a7f0-11e9271c8308" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_33b8c75a-6ecd-4b06-bed3-23e114121867" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_542de997-2ec8-4ab0-a7f0-11e9271c8308" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_33b8c75a-6ecd-4b06-bed3-23e114121867" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_b09e3f6d-9402-432f-b898-b2c1d3eaeb23" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_542de997-2ec8-4ab0-a7f0-11e9271c8308" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_b09e3f6d-9402-432f-b898-b2c1d3eaeb23" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_4b298146-c12a-4d5a-9215-f13d16a69629" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_4466c536-1b9f-442f-acfa-f320e1287414" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_4b298146-c12a-4d5a-9215-f13d16a69629" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_4466c536-1b9f-442f-acfa-f320e1287414" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_3fbd89d0-77b4-4b7a-a077-ba69bfa1e3df" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_4b298146-c12a-4d5a-9215-f13d16a69629" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_3fbd89d0-77b4-4b7a-a077-ba69bfa1e3df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_6903f559-3483-4002-9bb8-7948f29e941d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_4b298146-c12a-4d5a-9215-f13d16a69629" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_6903f559-3483-4002-9bb8-7948f29e941d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/IncomeTaxesReconciliationofEffectiveTaxRatetoUSFederalStatutoryRateDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#IncomeTaxesReconciliationofEffectiveTaxRatetoUSFederalStatutoryRateDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/IncomeTaxesReconciliationofEffectiveTaxRatetoUSFederalStatutoryRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_d93eb9a8-19aa-40dc-b893-9794a05063f4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_d93eb9a8-19aa-40dc-b893-9794a05063f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_88d6f0e3-0a8f-40cc-a758-e2edcc4ff9a9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_88d6f0e3-0a8f-40cc-a758-e2edcc4ff9a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_EffectiveIncomeTaxRateReconciliationTransactionCostsPercent_7ecf7d44-1468-4821-9073-00554d398195" xlink:href="ncno-20210131.xsd#ncno_EffectiveIncomeTaxRateReconciliationTransactionCostsPercent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_ncno_EffectiveIncomeTaxRateReconciliationTransactionCostsPercent_7ecf7d44-1468-4821-9073-00554d398195" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_775c9036-c1ab-4178-a530-64f8788b24d1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_775c9036-c1ab-4178-a530-64f8788b24d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_EffectiveIncomeTaxRateReconciliationImpactOfAdoptionOfNewRevenueStandardPercent_6687f49b-135e-47d9-b3a5-f4ac0361c55f" xlink:href="ncno-20210131.xsd#ncno_EffectiveIncomeTaxRateReconciliationImpactOfAdoptionOfNewRevenueStandardPercent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_ncno_EffectiveIncomeTaxRateReconciliationImpactOfAdoptionOfNewRevenueStandardPercent_6687f49b-135e-47d9-b3a5-f4ac0361c55f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_426882d4-8965-4bb3-95aa-fb7ef8e5bab6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_426882d4-8965-4bb3-95aa-fb7ef8e5bab6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_8ae03e00-86e9-4879-890c-348b199dd3e5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense_8ae03e00-86e9-4879-890c-348b199dd3e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_6208c81d-4779-445b-ae22-42fa156cdcf3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_6208c81d-4779-445b-ae22-42fa156cdcf3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_26aa2f52-981f-46d7-b31a-36ab82b64610" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_26aa2f52-981f-46d7-b31a-36ab82b64610" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_2871c5af-eb40-4dc5-b4a9-811dca507a44" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_89030b9d-8dfd-4fb1-8643-9fbdaa378200" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_2871c5af-eb40-4dc5-b4a9-811dca507a44" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/IncomeTaxesSignificantcomponentsofDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#IncomeTaxesSignificantcomponentsofDeferredTaxAssetsAndLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/IncomeTaxesSignificantcomponentsofDeferredTaxAssetsAndLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_6a26d0a2-1710-4b6f-97c5-3e9e6c0bb360" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_6c31bb9e-fa08-439c-88e7-22768f7739aa" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_6a26d0a2-1710-4b6f-97c5-3e9e6c0bb360" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_6c31bb9e-fa08-439c-88e7-22768f7739aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_4dfc5177-c5fe-43e5-b4a1-27a4bb373b04" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_6a26d0a2-1710-4b6f-97c5-3e9e6c0bb360" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_4dfc5177-c5fe-43e5-b4a1-27a4bb373b04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_6f03d52f-a0e6-4e3b-bf29-e5dd97d8a1be" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_cbe43d2d-e2dc-4513-8206-ebba1947a488" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_6f03d52f-a0e6-4e3b-bf29-e5dd97d8a1be" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_cbe43d2d-e2dc-4513-8206-ebba1947a488" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome_16a3cefe-9d7b-4975-b2ca-caa3c7783ef2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_6f03d52f-a0e6-4e3b-bf29-e5dd97d8a1be" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome_16a3cefe-9d7b-4975-b2ca-caa3c7783ef2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_859d588e-ca78-49bb-95cf-cd450ae4404a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_6f03d52f-a0e6-4e3b-bf29-e5dd97d8a1be" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_859d588e-ca78-49bb-95cf-cd450ae4404a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_0bbab449-6186-4371-900e-42c3134e3f4a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_6f03d52f-a0e6-4e3b-bf29-e5dd97d8a1be" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_0bbab449-6186-4371-900e-42c3134e3f4a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_DeferredTaxLiabilitiesDeferredExpenseContractAcquisitionCosts_d6c5fc8a-d6c0-4b56-9f01-6e0a75abe7fd" xlink:href="ncno-20210131.xsd#ncno_DeferredTaxLiabilitiesDeferredExpenseContractAcquisitionCosts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_6f03d52f-a0e6-4e3b-bf29-e5dd97d8a1be" xlink:to="loc_ncno_DeferredTaxLiabilitiesDeferredExpenseContractAcquisitionCosts_d6c5fc8a-d6c0-4b56-9f01-6e0a75abe7fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_2b7ceae6-af2c-487a-a38a-3b3fdd9b7be2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_7ea48421-32c8-4cbe-94db-1f3613610c1f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_2b7ceae6-af2c-487a-a38a-3b3fdd9b7be2" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_7ea48421-32c8-4cbe-94db-1f3613610c1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_74431cf3-feab-4a9d-9f3d-78ad1755bb3c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_2b7ceae6-af2c-487a-a38a-3b3fdd9b7be2" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_74431cf3-feab-4a9d-9f3d-78ad1755bb3c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_DeferredTaxAssetLeaseLiability_48606434-d525-4c5e-b05a-9c3f4a4bbadc" xlink:href="ncno-20210131.xsd#ncno_DeferredTaxAssetLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:to="loc_ncno_DeferredTaxAssetLeaseLiability_48606434-d525-4c5e-b05a-9c3f4a4bbadc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsDeferredIncome_908bd925-fe86-467d-93db-6e2bcf671548" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsDeferredIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:to="loc_us-gaap_DeferredTaxAssetsDeferredIncome_908bd925-fe86-467d-93db-6e2bcf671548" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent_8fe82d96-0d78-4fd0-83ad-a3a335954643" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent_8fe82d96-0d78-4fd0-83ad-a3a335954643" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_f6218512-4af2-4da0-ae60-70d3f3ac4e66" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_f6218512-4af2-4da0-ae60-70d3f3ac4e66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_ncno_DeferredTaxAssetsTransactionCosts_c800dda5-1924-4b0a-a166-5707ae0d0d2f" xlink:href="ncno-20210131.xsd#ncno_DeferredTaxAssetsTransactionCosts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:to="loc_ncno_DeferredTaxAssetsTransactionCosts_c800dda5-1924-4b0a-a166-5707ae0d0d2f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_e5c672b1-b3ae-4c4b-ac1d-930bc5408d29" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_e5c672b1-b3ae-4c4b-ac1d-930bc5408d29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_5ed1fa3e-98f4-44f9-94ce-cbf86aa13fa4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_5ed1fa3e-98f4-44f9-94ce-cbf86aa13fa4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_193f6d05-1ad1-4aeb-b1ff-90df46857b7f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:to="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_193f6d05-1ad1-4aeb-b1ff-90df46857b7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_002c798a-809a-4f94-a00b-0fafbb1e242a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_9c93df15-aa57-4ef3-a8bd-ff530d69149f" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_002c798a-809a-4f94-a00b-0fafbb1e242a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/IncomeTaxesNetDeferredTaxAssetLiabilityDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#IncomeTaxesNetDeferredTaxAssetLiabilityDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/IncomeTaxesNetDeferredTaxAssetLiabilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_166570ea-2075-4a85-b04f-97b7c461820c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_26cc5bfe-4b27-41f9-9e63-a6b02b8df1cf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_166570ea-2075-4a85-b04f-97b7c461820c" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_26cc5bfe-4b27-41f9-9e63-a6b02b8df1cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_eeba0d2d-3ebb-4507-bde6-32c0dd7fa6f6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_166570ea-2075-4a85-b04f-97b7c461820c" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_eeba0d2d-3ebb-4507-bde6-32c0dd7fa6f6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/IncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#IncomeTaxesNarrativeDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/DefinedContributionPlan" xlink:type="simple" xlink:href="ncno-20210131.xsd#DefinedContributionPlan"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/DefinedContributionPlan" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/DefinedContributionPlanDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#DefinedContributionPlanDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/DefinedContributionPlanDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/CommitmentandContingencies" xlink:type="simple" xlink:href="ncno-20210131.xsd#CommitmentandContingencies"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/CommitmentandContingencies" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/CommitmentandContingenciesTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#CommitmentandContingenciesTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/CommitmentandContingenciesTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/CommitmentandContingenciesDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#CommitmentandContingenciesDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/CommitmentandContingenciesDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/CommitmentandContingenciesPurchaseCommitmentsandFutureMinimumLeasePaymentsDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#CommitmentandContingenciesPurchaseCommitmentsandFutureMinimumLeasePaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/CommitmentandContingenciesPurchaseCommitmentsandFutureMinimumLeasePaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_6cb476ba-cde2-4a14-8f41-dd00f6c88a36" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_a6304791-8ed9-4aba-8d80-fed0d08ccc58" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_6cb476ba-cde2-4a14-8f41-dd00f6c88a36" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_a6304791-8ed9-4aba-8d80-fed0d08ccc58" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_ba4acaf7-7f1d-448e-9713-e09fd019ebde" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_6cb476ba-cde2-4a14-8f41-dd00f6c88a36" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_ba4acaf7-7f1d-448e-9713-e09fd019ebde" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsNetMinimumPayments1_831b78ba-0236-435d-b91c-4f02693ec931" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsNetMinimumPayments1"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_6cb476ba-cde2-4a14-8f41-dd00f6c88a36" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsNetMinimumPayments1_831b78ba-0236-435d-b91c-4f02693ec931" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_df1a5168-eb66-4ee7-8931-230d3ca1aef5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_a931b956-a05b-41fb-b89c-d7cb8742e38f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_df1a5168-eb66-4ee7-8931-230d3ca1aef5" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_a931b956-a05b-41fb-b89c-d7cb8742e38f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_924e74ca-f58a-4844-a1a0-877003426057" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_df1a5168-eb66-4ee7-8931-230d3ca1aef5" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_924e74ca-f58a-4844-a1a0-877003426057" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_847e7b98-7e87-43e1-993f-2d526ea7b733" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_df1a5168-eb66-4ee7-8931-230d3ca1aef5" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_847e7b98-7e87-43e1-993f-2d526ea7b733" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_612d7027-1281-46a2-a024-d100b40c5a53" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_df1a5168-eb66-4ee7-8931-230d3ca1aef5" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_612d7027-1281-46a2-a024-d100b40c5a53" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_3abc70d1-3892-41ef-bd6a-687ccd77475b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_df1a5168-eb66-4ee7-8931-230d3ca1aef5" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_3abc70d1-3892-41ef-bd6a-687ccd77475b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_53faaa34-913d-4e79-bee9-942e8e8dfea2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_df1a5168-eb66-4ee7-8931-230d3ca1aef5" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_53faaa34-913d-4e79-bee9-942e8e8dfea2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_145b52fd-e2dd-4b8a-b091-4a5527e31515" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_5859c381-0509-4f84-9106-a26686a6d3b7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_145b52fd-e2dd-4b8a-b091-4a5527e31515" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_5859c381-0509-4f84-9106-a26686a6d3b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_f443e6f6-10d4-444a-a4e4-bba1ef711651" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_145b52fd-e2dd-4b8a-b091-4a5527e31515" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_f443e6f6-10d4-444a-a4e4-bba1ef711651" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_aea34bf9-e5b6-416d-b157-6a7844e1f0e7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_145b52fd-e2dd-4b8a-b091-4a5527e31515" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_aea34bf9-e5b6-416d-b157-6a7844e1f0e7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_5a1ceba0-f3ed-41e5-b446-f361771bfd8c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_145b52fd-e2dd-4b8a-b091-4a5527e31515" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_5a1ceba0-f3ed-41e5-b446-f361771bfd8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_a0c301cb-a1d0-41e8-9f8b-ca09621a6c94" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_145b52fd-e2dd-4b8a-b091-4a5527e31515" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_a0c301cb-a1d0-41e8-9f8b-ca09621a6c94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_fb6eb4d4-dec9-4491-93cc-96f03aa5d638" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_145b52fd-e2dd-4b8a-b091-4a5527e31515" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_fb6eb4d4-dec9-4491-93cc-96f03aa5d638" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_82e79bb6-e0b2-4312-b968-af9877560f81" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PurchaseObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_18db5eeb-43df-4d1b-968a-55ba4469ecb7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_82e79bb6-e0b2-4312-b968-af9877560f81" xlink:to="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_18db5eeb-43df-4d1b-968a-55ba4469ecb7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInSecondYear_2b532cd0-b678-4492-ae0a-bd31b5096642" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PurchaseObligationDueInSecondYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_82e79bb6-e0b2-4312-b968-af9877560f81" xlink:to="loc_us-gaap_PurchaseObligationDueInSecondYear_2b532cd0-b678-4492-ae0a-bd31b5096642" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInFourthYear_d20aa563-b623-485e-a8d5-5e2379934a57" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PurchaseObligationDueInFourthYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_82e79bb6-e0b2-4312-b968-af9877560f81" xlink:to="loc_us-gaap_PurchaseObligationDueInFourthYear_d20aa563-b623-485e-a8d5-5e2379934a57" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInFifthYear_8d4f50b2-c7a1-440c-8ef5-5b6ae42d8549" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PurchaseObligationDueInFifthYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_82e79bb6-e0b2-4312-b968-af9877560f81" xlink:to="loc_us-gaap_PurchaseObligationDueInFifthYear_8d4f50b2-c7a1-440c-8ef5-5b6ae42d8549" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueAfterFifthYear_20da2037-dfb6-478e-a411-4c6c12890779" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PurchaseObligationDueAfterFifthYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_82e79bb6-e0b2-4312-b968-af9877560f81" xlink:to="loc_us-gaap_PurchaseObligationDueAfterFifthYear_20da2037-dfb6-478e-a411-4c6c12890779" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInThirdYear_93e8607c-15ed-4089-ba5d-63c2c831bc2c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PurchaseObligationDueInThirdYear"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_82e79bb6-e0b2-4312-b968-af9877560f81" xlink:to="loc_us-gaap_PurchaseObligationDueInThirdYear_93e8607c-15ed-4089-ba5d-63c2c831bc2c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.ncino.com/role/RelatedPartyTransactions" xlink:type="simple" xlink:href="ncno-20210131.xsd#RelatedPartyTransactions"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/RelatedPartyTransactions" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/RelatedPartyTransactionsDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#RelatedPartyTransactionsDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/RelatedPartyTransactionsDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/BasicandDilutedLossperShare" xlink:type="simple" xlink:href="ncno-20210131.xsd#BasicandDilutedLossperShare"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BasicandDilutedLossperShare" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/BasicandDilutedLossperShareTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#BasicandDilutedLossperShareTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BasicandDilutedLossperShareTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/BasicandDilutedLossperShareComponentsofBasicandDilutedLossPerShareDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#BasicandDilutedLossperShareComponentsofBasicandDilutedLossPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BasicandDilutedLossperShareComponentsofBasicandDilutedLossPerShareDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/BasicandDilutedLossperShareWeightedAverageNumberofSharesExcludedFromComputationofEPSDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#BasicandDilutedLossperShareWeightedAverageNumberofSharesExcludedFromComputationofEPSDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/BasicandDilutedLossperShareWeightedAverageNumberofSharesExcludedFromComputationofEPSDetails" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/SelectedQuarterlyFinancialData" xlink:type="simple" xlink:href="ncno-20210131.xsd#SelectedQuarterlyFinancialData"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/SelectedQuarterlyFinancialData" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/SelectedQuarterlyFinancialDataTables" xlink:type="simple" xlink:href="ncno-20210131.xsd#SelectedQuarterlyFinancialDataTables"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/SelectedQuarterlyFinancialDataTables" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.ncino.com/role/SelectedQuarterlyFinancialDataDetails" xlink:type="simple" xlink:href="ncno-20210131.xsd#SelectedQuarterlyFinancialDataDetails"/>
  <link:calculationLink xlink:role="http://www.ncino.com/role/SelectedQuarterlyFinancialDataDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_966ac1bf-da0c-451e-8928-e63e4a8878b6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_61ad914a-197c-46c8-b321-ba1765db2a72" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_966ac1bf-da0c-451e-8928-e63e4a8878b6" xlink:to="loc_us-gaap_OperatingIncomeLoss_61ad914a-197c-46c8-b321-ba1765db2a72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_a3549a4e-98d9-4116-881e-63238c3e94f5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_966ac1bf-da0c-451e-8928-e63e4a8878b6" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_a3549a4e-98d9-4116-881e-63238c3e94f5" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
