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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:bcf83bc1-ca19-4578-8853-a618b867b756,g:71a9b0c0-3a30-4d2f-82c4-d9c8840addeb-->
<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.evolvtechnology.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="evlv-20251231.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_5765effa-11ad-41b0-8e60-d78600f64cbb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_7b669a2a-6965-42dc-b95e-c964853eddf5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5765effa-11ad-41b0-8e60-d78600f64cbb" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_7b669a2a-6965-42dc-b95e-c964853eddf5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_c0520a4d-547d-4b07-909f-6b5fa760c5b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5765effa-11ad-41b0-8e60-d78600f64cbb" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_c0520a4d-547d-4b07-909f-6b5fa760c5b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetNoncurrent_48d1318e-35b1-4db9-a6d9-10167a80ba8a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerAssetNetNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5765effa-11ad-41b0-8e60-d78600f64cbb" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetNoncurrent_48d1318e-35b1-4db9-a6d9-10167a80ba8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_44e48f9a-49a5-45cc-b735-4712caa530ec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5765effa-11ad-41b0-8e60-d78600f64cbb" xlink:to="loc_us-gaap_AssetsCurrent_44e48f9a-49a5-45cc-b735-4712caa530ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_04c48938-fd4c-418b-a1b0-ae0defdf610b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5765effa-11ad-41b0-8e60-d78600f64cbb" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_04c48938-fd4c-418b-a1b0-ae0defdf610b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_CommissionAssetNoncurrent_27d37198-5b63-4f47-9dc3-bff73ab062dd" xlink:href="evlv-20251231.xsd#evlv_CommissionAssetNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_5765effa-11ad-41b0-8e60-d78600f64cbb" xlink:to="loc_evlv_CommissionAssetNoncurrent_27d37198-5b63-4f47-9dc3-bff73ab062dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_9e40b33e-1da3-4f6e-bfca-e68012c53d2a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_487a8c9d-66b9-42fc-a1c0-b5ffdfdd2d99" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_9e40b33e-1da3-4f6e-bfca-e68012c53d2a" xlink:to="loc_us-gaap_LiabilitiesCurrent_487a8c9d-66b9-42fc-a1c0-b5ffdfdd2d99" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_6775fa7b-cba1-42ee-b033-d23454e8a9d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_9e40b33e-1da3-4f6e-bfca-e68012c53d2a" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_6775fa7b-cba1-42ee-b033-d23454e8a9d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_49194a6f-d143-4e41-8b56-9087f76f047e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_9e40b33e-1da3-4f6e-bfca-e68012c53d2a" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_49194a6f-d143-4e41-8b56-9087f76f047e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_5d7ce07e-6c1f-41e1-8649-08ebdd37e84c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_9e40b33e-1da3-4f6e-bfca-e68012c53d2a" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_5d7ce07e-6c1f-41e1-8649-08ebdd37e84c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_ReverseRecapitalizationContingentConsiderationLiabilityNoncurrent_503866e1-0bb3-4183-90f3-d4163944761e" xlink:href="evlv-20251231.xsd#evlv_ReverseRecapitalizationContingentConsiderationLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_9e40b33e-1da3-4f6e-bfca-e68012c53d2a" xlink:to="loc_evlv_ReverseRecapitalizationContingentConsiderationLiabilityNoncurrent_503866e1-0bb3-4183-90f3-d4163944761e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_ReverseRecapitalizationContingentConsiderationEquityNoncurrent_5262477d-9e1a-48cf-94d6-3ece8caf8077" xlink:href="evlv-20251231.xsd#evlv_ReverseRecapitalizationContingentConsiderationEquityNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_9e40b33e-1da3-4f6e-bfca-e68012c53d2a" xlink:to="loc_evlv_ReverseRecapitalizationContingentConsiderationEquityNoncurrent_5262477d-9e1a-48cf-94d6-3ece8caf8077" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_PublicWarrantLiabilityNoncurrent_019be132-e34e-7d69-98e1-d4af313faf5a" xlink:href="evlv-20251231.xsd#evlv_PublicWarrantLiabilityNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_9e40b33e-1da3-4f6e-bfca-e68012c53d2a" xlink:to="loc_evlv_PublicWarrantLiabilityNoncurrent_019be132-e34e-7d69-98e1-d4af313faf5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_e3997ebd-7fae-4859-bfe0-4694d8d39c08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_056cf89c-5dee-499e-bd16-c336cfc8758c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_e3997ebd-7fae-4859-bfe0-4694d8d39c08" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_056cf89c-5dee-499e-bd16-c336cfc8758c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_3643205e-0940-4cec-b92e-de9fe87107af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e3997ebd-7fae-4859-bfe0-4694d8d39c08" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_3643205e-0940-4cec-b92e-de9fe87107af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_110814f9-bfec-41ff-9ada-d94ea9033595" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e3997ebd-7fae-4859-bfe0-4694d8d39c08" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_110814f9-bfec-41ff-9ada-d94ea9033595" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_c6350343-7a81-48bd-84c1-bbd65e9b1350" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e3997ebd-7fae-4859-bfe0-4694d8d39c08" xlink:to="loc_us-gaap_InventoryNet_c6350343-7a81-48bd-84c1-bbd65e9b1350" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_357190fb-78c3-41bf-95c5-f0b249cc33a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e3997ebd-7fae-4859-bfe0-4694d8d39c08" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_357190fb-78c3-41bf-95c5-f0b249cc33a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_CommissionAssetCurrent_78555d28-30de-41b2-b07d-3a7f1a6c94d9" xlink:href="evlv-20251231.xsd#evlv_CommissionAssetCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e3997ebd-7fae-4859-bfe0-4694d8d39c08" xlink:to="loc_evlv_CommissionAssetCurrent_78555d28-30de-41b2-b07d-3a7f1a6c94d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_baac53d4-d0b8-4fa7-ac30-000fd9fd4ce1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_e3997ebd-7fae-4859-bfe0-4694d8d39c08" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_baac53d4-d0b8-4fa7-ac30-000fd9fd4ce1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_43bce835-b585-48ce-b4c6-05a6c6253d37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_fcf2fd7a-52aa-45e6-ba20-9227769cc026" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_43bce835-b585-48ce-b4c6-05a6c6253d37" xlink:to="loc_us-gaap_AccountsPayableCurrent_fcf2fd7a-52aa-45e6-ba20-9227769cc026" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_e0847e53-499a-45d8-b202-1cc1728573b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesAndOtherLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_43bce835-b585-48ce-b4c6-05a6c6253d37" xlink:to="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_e0847e53-499a-45d8-b202-1cc1728573b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_366ea39d-4d8a-4f23-b2f2-c8b7e325306c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_43bce835-b585-48ce-b4c6-05a6c6253d37" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_366ea39d-4d8a-4f23-b2f2-c8b7e325306c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_469814f2-b620-44fb-85c3-caece9099b72" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_43bce835-b585-48ce-b4c6-05a6c6253d37" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_469814f2-b620-44fb-85c3-caece9099b72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_4961f081-79c4-48ac-a11a-154fc2852360" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_abe5c283-6a60-4c4a-97e4-534aac3c5596" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4961f081-79c4-48ac-a11a-154fc2852360" xlink:to="loc_us-gaap_CommitmentsAndContingencies_abe5c283-6a60-4c4a-97e4-534aac3c5596" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_b83f445a-6092-4a51-949a-076049e0de7a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4961f081-79c4-48ac-a11a-154fc2852360" xlink:to="loc_us-gaap_Liabilities_b83f445a-6092-4a51-949a-076049e0de7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_76f753e4-798e-4b11-a3b0-78a92d038070" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_4961f081-79c4-48ac-a11a-154fc2852360" xlink:to="loc_us-gaap_StockholdersEquity_76f753e4-798e-4b11-a3b0-78a92d038070" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_5ecf84ae-cad7-48d8-abb5-90131e345c1e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_a643093f-cfdb-4dc4-8267-787f66790b33" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_5ecf84ae-cad7-48d8-abb5-90131e345c1e" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_a643093f-cfdb-4dc4-8267-787f66790b33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_65e0c1a7-570a-4f10-b1d5-095b2c9d2d79" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_5ecf84ae-cad7-48d8-abb5-90131e345c1e" xlink:to="loc_us-gaap_AdditionalPaidInCapital_65e0c1a7-570a-4f10-b1d5-095b2c9d2d79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_fb352d8d-234a-4c98-9ada-4b5213a07f89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_5ecf84ae-cad7-48d8-abb5-90131e345c1e" xlink:to="loc_us-gaap_PreferredStockValue_fb352d8d-234a-4c98-9ada-4b5213a07f89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_ed14e57e-9e6c-44ea-aa24-05928be01c2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_5ecf84ae-cad7-48d8-abb5-90131e345c1e" xlink:to="loc_us-gaap_CommonStockValue_ed14e57e-9e6c-44ea-aa24-05928be01c2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_022b210c-08e8-41f2-8a7a-3ca27208a95e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_5ecf84ae-cad7-48d8-abb5-90131e345c1e" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_022b210c-08e8-41f2-8a7a-3ca27208a95e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" xlink:type="simple" xlink:href="evlv-20251231.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_70f6f019-4e6e-4a33-aad6-5fd61270f335" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_b79e6a04-61e3-43df-be1a-d8d7ea85dc4d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_70f6f019-4e6e-4a33-aad6-5fd61270f335" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_b79e6a04-61e3-43df-be1a-d8d7ea85dc4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_7b388cb2-9cd2-4334-8ec4-050453045862" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_IncreaseDecreaseInFairValueOfContingentEarnoutLiability_9a623f36-dc2a-417e-8c2b-025b3c1aa548" xlink:href="evlv-20251231.xsd#evlv_IncreaseDecreaseInFairValueOfContingentEarnoutLiability"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_7b388cb2-9cd2-4334-8ec4-050453045862" xlink:to="loc_evlv_IncreaseDecreaseInFairValueOfContingentEarnoutLiability_9a623f36-dc2a-417e-8c2b-025b3c1aa548" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_e02b8e82-6338-46ee-abf0-b9aa69fdef03" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_7b388cb2-9cd2-4334-8ec4-050453045862" xlink:to="loc_us-gaap_InterestExpenseNonoperating_e02b8e82-6338-46ee-abf0-b9aa69fdef03" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_79903f99-5b30-454b-a201-50a67119da23" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_7b388cb2-9cd2-4334-8ec4-050453045862" xlink:to="loc_us-gaap_InvestmentIncomeInterest_79903f99-5b30-454b-a201-50a67119da23" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_IncreaseDecreaseInFairValueOfContingentlyIssuableReturnableCommonStockLiabilityAsset_8a7a653c-1b3a-4692-ad95-f38a73f6b690" xlink:href="evlv-20251231.xsd#evlv_IncreaseDecreaseInFairValueOfContingentlyIssuableReturnableCommonStockLiabilityAsset"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_7b388cb2-9cd2-4334-8ec4-050453045862" xlink:to="loc_evlv_IncreaseDecreaseInFairValueOfContingentlyIssuableReturnableCommonStockLiabilityAsset_8a7a653c-1b3a-4692-ad95-f38a73f6b690" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_88f1a844-0e4a-450f-9362-bb79606cfe4b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_7b388cb2-9cd2-4334-8ec4-050453045862" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_88f1a844-0e4a-450f-9362-bb79606cfe4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_FairValueAdjustmentOfPublicWarrantLiability_739ef915-36cd-4aa1-ba37-cd28f1cd9091" xlink:href="evlv-20251231.xsd#evlv_FairValueAdjustmentOfPublicWarrantLiability"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_7b388cb2-9cd2-4334-8ec4-050453045862" xlink:to="loc_evlv_FairValueAdjustmentOfPublicWarrantLiability_739ef915-36cd-4aa1-ba37-cd28f1cd9091" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_753240f7-3114-40c0-9540-ef832f61aade" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3db85cbf-af61-47a7-84d5-552c1ccd746d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_753240f7-3114-40c0-9540-ef832f61aade" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_3db85cbf-af61-47a7-84d5-552c1ccd746d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f3b53069-a0dc-48e8-b906-04ae81e127b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_753240f7-3114-40c0-9540-ef832f61aade" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_f3b53069-a0dc-48e8-b906-04ae81e127b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_4a64c0f3-96a2-4fd0-bcc5-8a0d5ecaf8f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_a31a9035-7203-431a-93c1-03a1083df4bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_4a64c0f3-96a2-4fd0-bcc5-8a0d5ecaf8f7" xlink:to="loc_us-gaap_Revenues_a31a9035-7203-431a-93c1-03a1083df4bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_06f3a3e0-df6a-4383-ad8c-250f90e61424" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_4a64c0f3-96a2-4fd0-bcc5-8a0d5ecaf8f7" xlink:to="loc_us-gaap_CostOfRevenue_06f3a3e0-df6a-4383-ad8c-250f90e61424" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_7ef41100-cc38-490e-9568-8bd350bbcfe7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_cb864ede-7107-4ff7-ac24-fa2b2064fed0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_7ef41100-cc38-490e-9568-8bd350bbcfe7" xlink:to="loc_us-gaap_NetIncomeLoss_cb864ede-7107-4ff7-ac24-fa2b2064fed0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_19d4442c-9e80-4fa6-84cf-38e7e8801f6f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_7ef41100-cc38-490e-9568-8bd350bbcfe7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_19d4442c-9e80-4fa6-84cf-38e7e8801f6f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_d1de8f9c-ad68-41a4-b59e-8aace8a761df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_ca8a9f13-af5b-42fa-8a79-a50d64b384ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_d1de8f9c-ad68-41a4-b59e-8aace8a761df" xlink:to="loc_us-gaap_OperatingExpenses_ca8a9f13-af5b-42fa-8a79-a50d64b384ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_f49e6789-a172-4771-8be3-bb69e9a8cc94" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_d1de8f9c-ad68-41a4-b59e-8aace8a761df" xlink:to="loc_us-gaap_GrossProfit_f49e6789-a172-4771-8be3-bb69e9a8cc94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_7da499c2-362d-4dda-becb-7865260231e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_49fb3670-4d32-4cd0-8df5-4d5f6d00358f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_7da499c2-362d-4dda-becb-7865260231e7" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_49fb3670-4d32-4cd0-8df5-4d5f6d00358f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_051a6380-ed93-48a3-94c3-ffb877a9a2d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_7da499c2-362d-4dda-becb-7865260231e7" xlink:to="loc_us-gaap_SellingAndMarketingExpense_051a6380-ed93-48a3-94c3-ffb877a9a2d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_5275f806-9dbe-44b4-b2a6-0b45315a5ec5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_7da499c2-362d-4dda-becb-7865260231e7" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_5275f806-9dbe-44b4-b2a6-0b45315a5ec5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_46ede69f-7961-43f8-9b15-7aea6685b492" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_7da499c2-362d-4dda-becb-7865260231e7" xlink:to="loc_us-gaap_RestructuringCharges_46ede69f-7961-43f8-9b15-7aea6685b492" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_019c7604-f7ca-733d-a9dc-d0f91ef2c546" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_7da499c2-362d-4dda-becb-7865260231e7" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_019c7604-f7ca-733d-a9dc-d0f91ef2c546" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_475ef3ff-f1a7-4862-bf79-99e1e73ab2e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_731cddcd-431b-40ad-9ec7-d30984e32879" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_475ef3ff-f1a7-4862-bf79-99e1e73ab2e4" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_731cddcd-431b-40ad-9ec7-d30984e32879" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_b48235a7-3836-4b1c-b32f-3a06725c971f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_475ef3ff-f1a7-4862-bf79-99e1e73ab2e4" xlink:to="loc_us-gaap_OperatingIncomeLoss_b48235a7-3836-4b1c-b32f-3a06725c971f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="evlv-20251231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ddffda0f-434b-4ac1-ba19-ff42ab5e3460" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_f9f2ff15-d54b-44eb-97f5-24e1e71a7e0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ddffda0f-434b-4ac1-ba19-ff42ab5e3460" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_f9f2ff15-d54b-44eb-97f5-24e1e71a7e0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_7df4f577-79a0-4609-960e-d776327d87b5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ddffda0f-434b-4ac1-ba19-ff42ab5e3460" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_7df4f577-79a0-4609-960e-d776327d87b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_68634054-d6c5-42d0-b7d2-ba163e779167" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_ShareBasedCompensation_68634054-d6c5-42d0-b7d2-ba163e779167" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_f271c62f-0269-434d-b7fc-531ac4c6ad1c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_f271c62f-0269-434d-b7fc-531ac4c6ad1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_NoncashInterestExpense_cc6a74fd-f61c-4e43-9c4d-23953651250f" xlink:href="evlv-20251231.xsd#evlv_NoncashInterestExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_evlv_NoncashInterestExpense_cc6a74fd-f61c-4e43-9c4d-23953651250f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_297df31b-ee6f-4e50-b3bb-41148668c890" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryWriteDown"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_InventoryWriteDown_297df31b-ee6f-4e50-b3bb-41148668c890" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_62aa5da1-f7ba-4860-9e09-28636414c449" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_62aa5da1-f7ba-4860-9e09-28636414c449" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_IncreaseDecreaseInCommissionAssets_be48a2b1-3129-42d4-863c-52fa65e0cc9b" xlink:href="evlv-20251231.xsd#evlv_IncreaseDecreaseInCommissionAssets"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_evlv_IncreaseDecreaseInCommissionAssets_be48a2b1-3129-42d4-863c-52fa65e0cc9b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_05ec56db-286a-400a-91e4-d12218c460f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_05ec56db-286a-400a-91e4-d12218c460f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_0124ef03-7021-4647-81e4-3357819f59c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_0124ef03-7021-4647-81e4-3357819f59c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_602ac9df-b83d-4954-ae3d-17d4646f8ec2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_602ac9df-b83d-4954-ae3d-17d4646f8ec2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_3835a5f4-4f70-4de3-97d1-df8a9b82e15f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_NetIncomeLoss_3835a5f4-4f70-4de3-97d1-df8a9b82e15f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_a4129d6d-a636-4661-83d8-955e7c8bd5ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_a4129d6d-a636-4661-83d8-955e7c8bd5ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_IncreaseDecreaseInFairValueOfContingentEarnoutLiability_51652c16-d690-40c0-84a3-22940882f3b5" xlink:href="evlv-20251231.xsd#evlv_IncreaseDecreaseInFairValueOfContingentEarnoutLiability"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_evlv_IncreaseDecreaseInFairValueOfContingentEarnoutLiability_51652c16-d690-40c0-84a3-22940882f3b5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_AccountsReceivableAllowanceForCreditLossExpenseReversalNetOfWriteoffAndRecovery_ddb91c58-9a70-474f-8f7b-5a5d18f81016" xlink:href="evlv-20251231.xsd#evlv_AccountsReceivableAllowanceForCreditLossExpenseReversalNetOfWriteoffAndRecovery"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_evlv_AccountsReceivableAllowanceForCreditLossExpenseReversalNetOfWriteoffAndRecovery_ddb91c58-9a70-474f-8f7b-5a5d18f81016" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_841cef5b-b8d4-42f9-b512-4cbc3fdb2a42" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerAsset"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_841cef5b-b8d4-42f9-b512-4cbc3fdb2a42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_941d25ed-d21c-42c8-82ca-27fced4401d4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_941d25ed-d21c-42c8-82ca-27fced4401d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_0b971361-dcc0-498f-91af-2ea0065b1e7f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_0b971361-dcc0-498f-91af-2ea0065b1e7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_07062c77-8477-40ce-823d-58438bb924b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="17" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_07062c77-8477-40ce-823d-58438bb924b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_3b81c661-6ad7-4a31-86dc-268ec14a418b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="18" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_3b81c661-6ad7-4a31-86dc-268ec14a418b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_NoncashLeaseExpense_3198c703-b77a-4527-ba2b-ca350d78ac20" xlink:href="evlv-20251231.xsd#evlv_NoncashLeaseExpense"/>
    <link:calculationArc order="19" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_evlv_NoncashLeaseExpense_3198c703-b77a-4527-ba2b-ca350d78ac20" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_FairValueAdjustmentOfPublicWarrantLiability_a2af231e-d31d-40d7-a852-24e4a7acea0c" xlink:href="evlv-20251231.xsd#evlv_FairValueAdjustmentOfPublicWarrantLiability"/>
    <link:calculationArc order="20" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_evlv_FairValueAdjustmentOfPublicWarrantLiability_a2af231e-d31d-40d7-a852-24e4a7acea0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_0f05213e-876b-4382-bec8-6fc0fd229d52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="21" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_0f05213e-876b-4382-bec8-6fc0fd229d52" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_IncreaseDecreaseInFairValueOfContingentlyIssuableReturnableCommonStockLiabilityAsset_cfc40182-e436-4537-8317-1b481cc7ec1f" xlink:href="evlv-20251231.xsd#evlv_IncreaseDecreaseInFairValueOfContingentlyIssuableReturnableCommonStockLiabilityAsset"/>
    <link:calculationArc order="22" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_evlv_IncreaseDecreaseInFairValueOfContingentlyIssuableReturnableCommonStockLiabilityAsset_cfc40182-e436-4537-8317-1b481cc7ec1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_4e091e83-1014-4b3e-b7d6-0adedbabf507" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived"/>
    <link:calculationArc order="23" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_4e091e83-1014-4b3e-b7d6-0adedbabf507" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_3dcce090-e847-45ff-b8c4-eb2154a5cbcf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:calculationArc order="24" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_ba550259-4682-4341-8219-a0896a2aea41" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_3dcce090-e847-45ff-b8c4-eb2154a5cbcf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_dc369759-8880-465f-8407-200d744b1022" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToDevelopSoftware_94fe62f3-6a6a-46a0-9679-a4a32d37c4df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToDevelopSoftware"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_dc369759-8880-465f-8407-200d744b1022" xlink:to="loc_us-gaap_PaymentsToDevelopSoftware_94fe62f3-6a6a-46a0-9679-a4a32d37c4df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_PaymentsToAcquirePropertyPlantAndEquipmentNet_b4e3d8a3-dc3e-4405-a3b5-e320f0ee4f93" xlink:href="evlv-20251231.xsd#evlv_PaymentsToAcquirePropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_dc369759-8880-465f-8407-200d744b1022" xlink:to="loc_evlv_PaymentsToAcquirePropertyPlantAndEquipmentNet_b4e3d8a3-dc3e-4405-a3b5-e320f0ee4f93" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireMarketableSecurities_049cc370-18bd-4315-97fb-54fa0584e7d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireMarketableSecurities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_dc369759-8880-465f-8407-200d744b1022" xlink:to="loc_us-gaap_PaymentsToAcquireMarketableSecurities_049cc370-18bd-4315-97fb-54fa0584e7d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_2520da07-837e-4b20-963b-9966d66028d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_dc369759-8880-465f-8407-200d744b1022" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_2520da07-837e-4b20-963b-9966d66028d5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_aa428c05-f044-4e85-8224-40516a712207" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c175bb16-911c-4e90-8efa-8a26e8c414b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_aa428c05-f044-4e85-8224-40516a712207" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_c175bb16-911c-4e90-8efa-8a26e8c414b0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_ae71f3d6-e32f-42a0-901e-b9e40cdf9624" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_aa428c05-f044-4e85-8224-40516a712207" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_ae71f3d6-e32f-42a0-901e-b9e40cdf9624" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_5d9a10f5-f822-49b0-adc4-1788af79fc96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_aa428c05-f044-4e85-8224-40516a712207" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_5d9a10f5-f822-49b0-adc4-1788af79fc96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_37511aab-dfc1-4a52-b06e-8c58572e6cd0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_aa428c05-f044-4e85-8224-40516a712207" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_37511aab-dfc1-4a52-b06e-8c58572e6cd0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/FairValueMeasurementsScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueOnRecurringBasisDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#FairValueMeasurementsScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueOnRecurringBasisDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/FairValueMeasurementsScheduleofFinancialAssetsandLiabilitiesMeasuredatFairValueOnRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019c9b09-c81e-7bfb-97dd-d22a4451685d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019c9b09-c81e-715f-ab70-826fba5ee07f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_019c9b09-c81e-7bfb-97dd-d22a4451685d" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019c9b09-c81e-715f-ab70-826fba5ee07f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019c9b09-c81e-752b-9b4b-34704b52f5ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019c9b09-c81e-7bfb-97dd-d22a4451685d" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_019c9b09-c81e-752b-9b4b-34704b52f5ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_ContingentlyReturnableCommonStockAsset_019c9b09-c81e-7155-b2d7-28e38e57e93e" xlink:href="evlv-20251231.xsd#evlv_ContingentlyReturnableCommonStockAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019c9b09-c81e-7bfb-97dd-d22a4451685d" xlink:to="loc_evlv_ContingentlyReturnableCommonStockAsset_019c9b09-c81e-7155-b2d7-28e38e57e93e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_CashAndCashEquivalentsFairValueDisclosureAndDebtSecuritiesAvailableForSale_019c9b0f-dd6e-7b89-99e9-06349d2159e0" xlink:href="evlv-20251231.xsd#evlv_CashAndCashEquivalentsFairValueDisclosureAndDebtSecuritiesAvailableForSale"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_019c9b09-c81e-7bfb-97dd-d22a4451685d" xlink:to="loc_evlv_CashAndCashEquivalentsFairValueDisclosureAndDebtSecuritiesAvailableForSale_019c9b0f-dd6e-7b89-99e9-06349d2159e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019c9b0a-93ac-782c-85f4-62d88ca397f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_ReverseRecapitalizationContingentConsiderationLiabilityNoncurrent_019c9b0a-93ac-7bd0-a90b-0e0158275c7c" xlink:href="evlv-20251231.xsd#evlv_ReverseRecapitalizationContingentConsiderationLiabilityNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019c9b0a-93ac-782c-85f4-62d88ca397f3" xlink:to="loc_evlv_ReverseRecapitalizationContingentConsiderationLiabilityNoncurrent_019c9b0a-93ac-7bd0-a90b-0e0158275c7c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_ReverseRecapitalizationContingentConsiderationEquityNoncurrent_019c9b0a-93ac-7980-91ab-5fab8eeed4c4" xlink:href="evlv-20251231.xsd#evlv_ReverseRecapitalizationContingentConsiderationEquityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019c9b0a-93ac-782c-85f4-62d88ca397f3" xlink:to="loc_evlv_ReverseRecapitalizationContingentConsiderationEquityNoncurrent_019c9b0a-93ac-7980-91ab-5fab8eeed4c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_PublicWarrantLiabilityNoncurrent_019c9b0a-93ac-75de-8247-0dc86d5b030a" xlink:href="evlv-20251231.xsd#evlv_PublicWarrantLiabilityNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_019c9b0a-93ac-782c-85f4-62d88ca397f3" xlink:to="loc_evlv_PublicWarrantLiabilityNoncurrent_019c9b0a-93ac-75de-8247-0dc86d5b030a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/RevenueRecognitionScheduleofComponentsofLeaseRevenueDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#RevenueRecognitionScheduleofComponentsofLeaseRevenueDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/RevenueRecognitionScheduleofComponentsofLeaseRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueNotFromContractWithCustomer_619e05f6-09b4-42ac-9f51-354b23e14f14" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueNotFromContractWithCustomer"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeLeaseInterestIncome_0c42952c-22fd-4822-94e4-08b083f8c42e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesTypeLeaseInterestIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RevenueNotFromContractWithCustomer_619e05f6-09b4-42ac-9f51-354b23e14f14" xlink:to="loc_us-gaap_SalesTypeLeaseInterestIncome_0c42952c-22fd-4822-94e4-08b083f8c42e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome_5a4b67dd-868d-41c1-b558-ea37c5609a70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLeaseIncome"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RevenueNotFromContractWithCustomer_619e05f6-09b4-42ac-9f51-354b23e14f14" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncome_5a4b67dd-868d-41c1-b558-ea37c5609a70" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/RevenueRecognitionScheduleofMinimumFuturePaymentsonNoncancelableLeasesDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#RevenueRecognitionScheduleofMinimumFuturePaymentsonNoncancelableLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/RevenueRecognitionScheduleofMinimumFuturePaymentsonNoncancelableLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_b4f3c19d-1df7-4a56-af71-f955c5fe7fbb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceived"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_LessorOperatingLeasePaymentToBeReceivedAfterYearFour_2ad2400d-cb4b-4e80-82c2-dbb8c5b99144" xlink:href="evlv-20251231.xsd#evlv_LessorOperatingLeasePaymentToBeReceivedAfterYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_b4f3c19d-1df7-4a56-af71-f955c5fe7fbb" xlink:to="loc_evlv_LessorOperatingLeasePaymentToBeReceivedAfterYearFour_2ad2400d-cb4b-4e80-82c2-dbb8c5b99144" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_17b59ee9-f6e5-4690-a3ee-2ff29fc38701" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_b4f3c19d-1df7-4a56-af71-f955c5fe7fbb" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_17b59ee9-f6e5-4690-a3ee-2ff29fc38701" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_312be768-4783-4f66-9aec-20b178e68cd1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_b4f3c19d-1df7-4a56-af71-f955c5fe7fbb" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_312be768-4783-4f66-9aec-20b178e68cd1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_ece45def-f8a9-42b7-a2bd-dad2a12acbc7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_b4f3c19d-1df7-4a56-af71-f955c5fe7fbb" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_ece45def-f8a9-42b7-a2bd-dad2a12acbc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_cafe8f4a-ad42-4d9f-877b-788920d2db60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived_b4f3c19d-1df7-4a56-af71-f955c5fe7fbb" xlink:to="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears_cafe8f4a-ad42-4d9f-877b-788920d2db60" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/LeasesScheduleofFutureAnnualLeasePaymentsDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#LeasesScheduleofFutureAnnualLeasePaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/LeasesScheduleofFutureAnnualLeasePaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_714b6d66-682e-4c8c-a9cc-fe41c9787c8c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_f05d713b-6e2e-4c16-8197-fdfaed0bff83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_714b6d66-682e-4c8c-a9cc-fe41c9787c8c" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_f05d713b-6e2e-4c16-8197-fdfaed0bff83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_23b6e7c0-23a1-44de-849a-b09b258e3da1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_714b6d66-682e-4c8c-a9cc-fe41c9787c8c" xlink:to="loc_us-gaap_OperatingLeaseLiability_23b6e7c0-23a1-44de-849a-b09b258e3da1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/LeasesScheduleofFutureAnnualLeasePaymentsDetails_1" xlink:type="simple" xlink:href="evlv-20251231.xsd#LeasesScheduleofFutureAnnualLeasePaymentsDetails_1"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/LeasesScheduleofFutureAnnualLeasePaymentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1ea03b53-941f-4c7d-bf56-8e0045250087" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_5f7735b1-6980-4c09-8404-65ffdc996730" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1ea03b53-941f-4c7d-bf56-8e0045250087" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_5f7735b1-6980-4c09-8404-65ffdc996730" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_36bbcc79-ae4e-4205-b551-8b504cef2e3d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1ea03b53-941f-4c7d-bf56-8e0045250087" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_36bbcc79-ae4e-4205-b551-8b504cef2e3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_46ebfd9a-72a3-4acc-96a1-ede178473ad1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1ea03b53-941f-4c7d-bf56-8e0045250087" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_46ebfd9a-72a3-4acc-96a1-ede178473ad1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_b3c5d4f1-5d90-4680-ae9a-ad372cb08128" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1ea03b53-941f-4c7d-bf56-8e0045250087" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_b3c5d4f1-5d90-4680-ae9a-ad372cb08128" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_0052f0cd-5d19-4484-b5b2-be54f50399b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1ea03b53-941f-4c7d-bf56-8e0045250087" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_0052f0cd-5d19-4484-b5b2-be54f50399b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_LesseeOperatingLeaseLiabilityToBePaidYearSix_26ed9c1f-0a30-4e75-8921-b749bb1fc440" xlink:href="evlv-20251231.xsd#evlv_LesseeOperatingLeaseLiabilityToBePaidYearSix"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_1ea03b53-941f-4c7d-bf56-8e0045250087" xlink:to="loc_evlv_LesseeOperatingLeaseLiabilityToBePaidYearSix_26ed9c1f-0a30-4e75-8921-b749bb1fc440" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/InventoryDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#InventoryDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/InventoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_53420776-d623-496d-ba00-9988d9be4211" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsNetOfReserves_f87ac049-2285-405d-aed1-1211fd9188aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryRawMaterialsNetOfReserves"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_53420776-d623-496d-ba00-9988d9be4211" xlink:to="loc_us-gaap_InventoryRawMaterialsNetOfReserves_f87ac049-2285-405d-aed1-1211fd9188aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_a0f659dd-1590-4823-a694-6acd9d1aebae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_53420776-d623-496d-ba00-9988d9be4211" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_a0f659dd-1590-4823-a694-6acd9d1aebae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_InventoryUninstalledGoodsNetOfReserves_019bebe4-5fe2-7ee3-a87f-18beda7e8c33" xlink:href="evlv-20251231.xsd#evlv_InventoryUninstalledGoodsNetOfReserves"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_53420776-d623-496d-ba00-9988d9be4211" xlink:to="loc_evlv_InventoryUninstalledGoodsNetOfReserves_019bebe4-5fe2-7ee3-a87f-18beda7e8c33" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/PrepaidexpensesandothercurrentassetsDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#PrepaidexpensesandothercurrentassetsDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/PrepaidexpensesandothercurrentassetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_c3c14527-e29b-4f4c-ab5e-6a2975904d97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositsAssetsCurrent_38d13c7a-ac52-431a-946c-14a49856c47f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepositsAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_c3c14527-e29b-4f4c-ab5e-6a2975904d97" xlink:to="loc_us-gaap_DepositsAssetsCurrent_38d13c7a-ac52-431a-946c-14a49856c47f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_85573c6a-bf14-42c4-ac9e-c6f6359fbc70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_c3c14527-e29b-4f4c-ab5e-6a2975904d97" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_85573c6a-bf14-42c4-ac9e-c6f6359fbc70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidInsurance_ed016bb8-bb29-4941-a699-8528cbf811d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidInsurance"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_c3c14527-e29b-4f4c-ab5e-6a2975904d97" xlink:to="loc_us-gaap_PrepaidInsurance_ed016bb8-bb29-4941-a699-8528cbf811d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimatedInsuranceRecoveries_b826905e-85bf-4c49-bd8f-0b00eaa8d5b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EstimatedInsuranceRecoveries"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_c3c14527-e29b-4f4c-ab5e-6a2975904d97" xlink:to="loc_us-gaap_EstimatedInsuranceRecoveries_b826905e-85bf-4c49-bd8f-0b00eaa8d5b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019c0038-79af-7a18-a79c-9c8e17f983ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_c3c14527-e29b-4f4c-ab5e-6a2975904d97" xlink:to="loc_us-gaap_OtherAssetsCurrent_019c0038-79af-7a18-a79c-9c8e17f983ae" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_15a60dc2-bc2f-4922-9e60-62a5ffd588dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_6dc7a8f8-6ee8-47b4-8a91-a9dbfc8fc5d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_15a60dc2-bc2f-4922-9e60-62a5ffd588dd" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_6dc7a8f8-6ee8-47b4-8a91-a9dbfc8fc5d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_d037fddd-8604-4a09-81e8-9a667e0cf1d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_15a60dc2-bc2f-4922-9e60-62a5ffd588dd" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_d037fddd-8604-4a09-81e8-9a667e0cf1d6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#AccruedExpensesandOtherCurrentLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_64947a8d-a421-4aeb-a6eb-66f97d195e0b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesAndOtherLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_AccruedEmployeeCompensationAndBenefitsExpenseCurrent_795b0c88-7611-419c-8001-e8b2cdb95342" xlink:href="evlv-20251231.xsd#evlv_AccruedEmployeeCompensationAndBenefitsExpenseCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_64947a8d-a421-4aeb-a6eb-66f97d195e0b" xlink:to="loc_evlv_AccruedEmployeeCompensationAndBenefitsExpenseCurrent_795b0c88-7611-419c-8001-e8b2cdb95342" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_AccruedProfessionalServiceAndConsultingCurrent_2a708895-e61c-404b-b1d2-e51a51db6682" xlink:href="evlv-20251231.xsd#evlv_AccruedProfessionalServiceAndConsultingCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_64947a8d-a421-4aeb-a6eb-66f97d195e0b" xlink:to="loc_evlv_AccruedProfessionalServiceAndConsultingCurrent_2a708895-e61c-404b-b1d2-e51a51db6682" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent_bc671861-36bc-4971-bb68-a5fa15c01450" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_64947a8d-a421-4aeb-a6eb-66f97d195e0b" xlink:to="loc_us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent_bc671861-36bc-4971-bb68-a5fa15c01450" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualCarryingValueCurrent_9542798d-2ade-473a-95db-ddf7e1b3aaa2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyAccrualCarryingValueCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_64947a8d-a421-4aeb-a6eb-66f97d195e0b" xlink:to="loc_us-gaap_LossContingencyAccrualCarryingValueCurrent_9542798d-2ade-473a-95db-ddf7e1b3aaa2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019c007c-099a-75ec-bb77-7ec5c6d16d48" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities_64947a8d-a421-4aeb-a6eb-66f97d195e0b" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019c007c-099a-75ec-bb77-7ec5c6d16d48" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/LongtermDebtScheduleofComponentsofLongTermDebtDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#LongtermDebtScheduleofComponentsofLongTermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/LongtermDebtScheduleofComponentsofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019be97b-66ef-75a5-a6ee-f3198d24f7f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019be97b-66ef-71ef-ae52-be408f5419be" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019be97b-66ef-75a5-a6ee-f3198d24f7f2" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019be97b-66ef-71ef-ae52-be408f5419be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019be97b-66ef-7798-8895-ea901310acfa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019be97b-66ef-75a5-a6ee-f3198d24f7f2" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019be97b-66ef-7798-8895-ea901310acfa" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/LongtermDebtScheduleofComponentsofLongTermDebtDetails_1" xlink:type="simple" xlink:href="evlv-20251231.xsd#LongtermDebtScheduleofComponentsofLongTermDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/LongtermDebtScheduleofComponentsofLongTermDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019be97b-66ef-72b1-80fb-f610b5a82071" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019be97b-66ef-719b-b2b5-374564de6f85" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019be97b-66ef-72b1-80fb-f610b5a82071" xlink:to="loc_us-gaap_LongTermDebtCurrent_019be97b-66ef-719b-b2b5-374564de6f85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019be97b-66ef-7c63-bfa7-7057f1e2ea00" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_019be97b-66ef-72b1-80fb-f610b5a82071" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019be97b-66ef-7c63-bfa7-7057f1e2ea00" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/LongtermDebtScheduleofMaturitiesofLongTermDebtDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#LongtermDebtScheduleofMaturitiesofLongTermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/LongtermDebtScheduleofMaturitiesofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019bebb1-255f-7cfc-a5d5-5d2ecf66f039" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019bebb1-255f-7d61-9f74-b92579fc5128" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019bebb1-255f-7cfc-a5d5-5d2ecf66f039" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019bebb1-255f-7d61-9f74-b92579fc5128" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019bebb1-255f-7fcb-b5e4-71a7fcbd540c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019bebb1-255f-7cfc-a5d5-5d2ecf66f039" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019bebb1-255f-7fcb-b5e4-71a7fcbd540c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019bebb1-255f-79b0-ba3c-d29f5d5c6b9e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019bebb1-255f-7cfc-a5d5-5d2ecf66f039" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019bebb1-255f-79b0-ba3c-d29f5d5c6b9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019bebb1-255f-7296-98ec-623570ad0bc8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019bebb1-255f-7cfc-a5d5-5d2ecf66f039" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019bebb1-255f-7296-98ec-623570ad0bc8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_LongTermDebtMaturityAfterYearFour_019bebb1-255f-7fef-852f-1986b2d9ba37" xlink:href="evlv-20251231.xsd#evlv_LongTermDebtMaturityAfterYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019bebb1-255f-7cfc-a5d5-5d2ecf66f039" xlink:to="loc_evlv_LongTermDebtMaturityAfterYearFour_019bebb1-255f-7fef-852f-1986b2d9ba37" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/IncomeTaxesScheduleofComponentsoftheCompanysLossBeforeIncomeTaxExpenseDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#IncomeTaxesScheduleofComponentsoftheCompanysLossBeforeIncomeTaxExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/IncomeTaxesScheduleofComponentsoftheCompanysLossBeforeIncomeTaxExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_65c1ba1c-d627-4304-bc4c-175da0b6113b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_6a9d1a1a-ede5-458b-8a02-641f427e941f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_65c1ba1c-d627-4304-bc4c-175da0b6113b" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_6a9d1a1a-ede5-458b-8a02-641f427e941f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_349396d8-2ce8-48fb-b653-9db693bf2047" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_65c1ba1c-d627-4304-bc4c-175da0b6113b" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_349396d8-2ce8-48fb-b653-9db693bf2047" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/IncomeTaxesScheduleofIncomeTaxExpenseDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#IncomeTaxesScheduleofIncomeTaxExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/IncomeTaxesScheduleofIncomeTaxExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_78968cdf-723a-4334-b6a9-775b081e15e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_95b66a8d-9a1e-440e-a188-f3dcf7146f8c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_78968cdf-723a-4334-b6a9-775b081e15e0" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_95b66a8d-9a1e-440e-a188-f3dcf7146f8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_d5f2441e-b027-4872-9de2-d63b0d4dea39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_78968cdf-723a-4334-b6a9-775b081e15e0" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_d5f2441e-b027-4872-9de2-d63b0d4dea39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_27292674-0170-4d94-b6a1-1837c1735c46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_78968cdf-723a-4334-b6a9-775b081e15e0" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_27292674-0170-4d94-b6a1-1837c1735c46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_f6112533-0641-4b19-8d2b-360008316dce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_600574ac-71cf-4bd3-bf7d-b34604bc17ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_f6112533-0641-4b19-8d2b-360008316dce" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_600574ac-71cf-4bd3-bf7d-b34604bc17ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ab7bd421-550f-4580-b8b9-39586d55cf6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_f6112533-0641-4b19-8d2b-360008316dce" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_ab7bd421-550f-4580-b8b9-39586d55cf6a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_39d25844-4d31-472b-b4ac-370cd4b21930" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_46316cf1-4633-4f01-a049-61f29a70de9e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_39d25844-4d31-472b-b4ac-370cd4b21930" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_46316cf1-4633-4f01-a049-61f29a70de9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_ad58577f-4d34-495e-a49a-c32c11cbaa83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_39d25844-4d31-472b-b4ac-370cd4b21930" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_ad58577f-4d34-495e-a49a-c32c11cbaa83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_1d84a825-6213-489f-9c72-ab6927838e6f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.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_39d25844-4d31-472b-b4ac-370cd4b21930" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_1d84a825-6213-489f-9c72-ab6927838e6f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/IncomeTaxesScheduleofReconciliationoftheUSFederalStatutoryIncomeTaxRatetotheCompanysEffectiveIncomeTaxRateDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#IncomeTaxesScheduleofReconciliationoftheUSFederalStatutoryIncomeTaxRatetotheCompanysEffectiveIncomeTaxRateDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/IncomeTaxesScheduleofReconciliationoftheUSFederalStatutoryIncomeTaxRatetotheCompanysEffectiveIncomeTaxRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019cc27f-d333-7413-b948-a38be6f23e73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019cc27f-d333-7574-9536-18770636463d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019cc27f-d333-7413-b948-a38be6f23e73" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019cc27f-d333-7574-9536-18770636463d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019cc27f-d333-7fc3-831a-57ac77f9fea1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019cc27f-d333-7413-b948-a38be6f23e73" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_019cc27f-d333-7fc3-831a-57ac77f9fea1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_019cc27f-d333-78d4-a248-f6102cedfab4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019cc27f-d333-7413-b948-a38be6f23e73" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_019cc27f-d333-78d4-a248-f6102cedfab4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityAmount_019cc27f-d333-7d87-a7ac-1db2c18846e6" xlink:href="evlv-20251231.xsd#evlv_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityAmount"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019cc27f-d333-7413-b948-a38be6f23e73" xlink:to="loc_evlv_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityAmount_019cc27f-d333-7d87-a7ac-1db2c18846e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_019cc27f-d333-71ba-abb0-2ab07a01bc46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019cc27f-d333-7413-b948-a38be6f23e73" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_019cc27f-d333-71ba-abb0-2ab07a01bc46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount_019cc27f-d333-7465-95ec-6dedfe100b27" xlink:href="evlv-20251231.xsd#evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019cc27f-d333-7413-b948-a38be6f23e73" xlink:to="loc_evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount_019cc27f-d333-7465-95ec-6dedfe100b27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesAmount_019cc27f-d333-7ad6-9ec8-48e2555b1064" xlink:href="evlv-20251231.xsd#evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesAmount"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019cc27f-d333-7413-b948-a38be6f23e73" xlink:to="loc_evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesAmount_019cc27f-d333-7ad6-9ec8-48e2555b1064" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_019cc27f-d333-7129-88e3-175aa73d1345" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019cc27f-d333-7413-b948-a38be6f23e73" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_019cc27f-d333-7129-88e3-175aa73d1345" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019cae0e-c185-77d4-a4bf-1c12fdfbb8a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019cae0e-c185-77d4-a4bf-1c12fdfbb8a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019cae0e-c185-7051-9a7e-b03695aad444" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019cae0e-c185-7051-9a7e-b03695aad444" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_019cae0e-c185-7893-9ea2-ba36faad6751" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_019cae0e-c185-7893-9ea2-ba36faad6751" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_019cae0e-c185-7b4a-a183-fe43cfcc8bfc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_019cae0e-c185-7b4a-a183-fe43cfcc8bfc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_019cae0e-c185-7aae-8e70-ffd7aa195ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_019cae0e-c185-7aae-8e70-ffd7aa195ee2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_019cae0e-c185-7346-be2d-a265dbd60c85" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies_019cae0e-c185-7346-be2d-a265dbd60c85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityPercent_019cae0e-c185-75f0-a85d-2852ff166252" xlink:href="evlv-20251231.xsd#evlv_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityPercent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_evlv_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityPercent_019cae0e-c185-75f0-a85d-2852ff166252" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_019cae0e-c185-766c-9efc-49e67343f4f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_019cae0e-c185-766c-9efc-49e67343f4f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationPercent_019cae0e-c185-7efa-8069-7ca4239e76d2" xlink:href="evlv-20251231.xsd#evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationPercent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationPercent_019cae0e-c185-7efa-8069-7ca4239e76d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesPercent_019cae0e-c185-7fb0-8b8a-6775ce013ac6" xlink:href="evlv-20251231.xsd#evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesPercent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesPercent_019cae0e-c185-7fb0-8b8a-6775ce013ac6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_019cae0e-c185-7196-bd0d-81c881f7a1a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019cae0e-c185-74f0-b6b1-831b49e1a053" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_019cae0e-c185-7196-bd0d-81c881f7a1a2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.evolvtechnology.com/role/IncomeTaxesScheduleofNetDeferredTaxAssetsDetails" xlink:type="simple" xlink:href="evlv-20251231.xsd#IncomeTaxesScheduleofNetDeferredTaxAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.evolvtechnology.com/role/IncomeTaxesScheduleofNetDeferredTaxAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_00fc3fc4-ae53-4dc9-88c3-6e127989b1ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_DeferredTaxAssetLeasingArrangements_9e98aa56-48b4-4ca9-84c0-a1ee1cbdc787" xlink:href="evlv-20251231.xsd#evlv_DeferredTaxAssetLeasingArrangements"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_00fc3fc4-ae53-4dc9-88c3-6e127989b1ef" xlink:to="loc_evlv_DeferredTaxAssetLeasingArrangements_9e98aa56-48b4-4ca9-84c0-a1ee1cbdc787" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_16b26b59-42e3-4d65-8264-7a3bd403f53b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_00fc3fc4-ae53-4dc9-88c3-6e127989b1ef" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_16b26b59-42e3-4d65-8264-7a3bd403f53b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsDeferredIncome_7f45e084-e69c-413a-b4a8-a3e9732540d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsDeferredIncome"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_00fc3fc4-ae53-4dc9-88c3-6e127989b1ef" xlink:to="loc_us-gaap_DeferredTaxAssetsDeferredIncome_7f45e084-e69c-413a-b4a8-a3e9732540d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_evlv_DeferredTaxAssetsTaxCreditCarryforwardsCapitalizedResearchAndDevelopmentCosts_0aa06ce8-4347-485d-974f-673156af3dc3" xlink:href="evlv-20251231.xsd#evlv_DeferredTaxAssetsTaxCreditCarryforwardsCapitalizedResearchAndDevelopmentCosts"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_00fc3fc4-ae53-4dc9-88c3-6e127989b1ef" xlink:to="loc_evlv_DeferredTaxAssetsTaxCreditCarryforwardsCapitalizedResearchAndDevelopmentCosts_0aa06ce8-4347-485d-974f-673156af3dc3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_fd41d259-8738-4925-9b85-7f2a98b0699c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_00fc3fc4-ae53-4dc9-88c3-6e127989b1ef" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch_fd41d259-8738-4925-9b85-7f2a98b0699c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_4b5a6ead-9ab4-498b-b45c-77469beebf68" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_00fc3fc4-ae53-4dc9-88c3-6e127989b1ef" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_4b5a6ead-9ab4-498b-b45c-77469beebf68" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_932fc66c-9447-47bb-8a62-1b184c8a6914" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_00fc3fc4-ae53-4dc9-88c3-6e127989b1ef" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_932fc66c-9447-47bb-8a62-1b184c8a6914" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_e6b6854e-ff1a-47c4-a57e-b76fab90543c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_90446376-d397-4afe-a429-bbeaff7219d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_e6b6854e-ff1a-47c4-a57e-b76fab90543c" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_90446376-d397-4afe-a429-bbeaff7219d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_e56c3909-a637-4d46-a7e5-ecbbafdb5ec5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_e6b6854e-ff1a-47c4-a57e-b76fab90543c" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_e56c3909-a637-4d46-a7e5-ecbbafdb5ec5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_44a79554-82e8-47e5-b599-755ad31dfacd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_380ecdf4-8978-4a78-83eb-802231707e06" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_44a79554-82e8-47e5-b599-755ad31dfacd" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_380ecdf4-8978-4a78-83eb-802231707e06" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_2c0d1a48-814f-44df-82c2-9f8c2fc3f429" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_44a79554-82e8-47e5-b599-755ad31dfacd" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_2c0d1a48-814f-44df-82c2-9f8c2fc3f429" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_ab3f059c-72f3-4ce2-85d6-d660af7fb3ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_f11b7b81-1f46-429d-90dd-6c70e552bbbc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_ab3f059c-72f3-4ce2-85d6-d660af7fb3ff" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_f11b7b81-1f46-429d-90dd-6c70e552bbbc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_14c434c1-2870-4c62-9319-205f939fa8ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_ab3f059c-72f3-4ce2-85d6-d660af7fb3ff" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_14c434c1-2870-4c62-9319-205f939fa8ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements_9d7dc6eb-4110-437f-81e3-6f52a1d45f52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesLeasingArrangements"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_ab3f059c-72f3-4ce2-85d6-d660af7fb3ff" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements_9d7dc6eb-4110-437f-81e3-6f52a1d45f52" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
