🎯
CPA Calculator (Cost Per Acquisition)
Cost Per Acquisition (CPA) shows how much you spend, on average, to acquire one customer or conversion. Calculate it below.
$
conversions
What is CPA?
Cost Per Acquisition (CPA) is a marketing metric that measures the average amount spent to acquire one paying customer or completed conversion, such as a sale or sign-up.
How this calculator works
Enter your total campaign spend and the number of conversions it generated. The calculator divides total spend by conversions to find your CPA.
This is a general marketing analytics tool for planning and reporting purposes.
Last reviewed August 2026