Cost per Action (CPA)

Measure the amount of money put towards driving conversions.

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Digital Marketing KPI Example - Cost per Action (CPA) Metric


The Cost per Action metric monitors the cost a company puts forth to drive conversion for things such as a whitepaper download or a subscription.


Payments for conversions/Total number of conversion

Reporting frequency


Example of KPI target

$28 per action


Marketing Manager



For more examples of digital marketing metrics & KPIs, see the below list.

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