How to use this cost per acquisition calculator
Enter the values requested above and select Calculate. Change any input to compare another scenario. The calculation runs locally in your browser and does not require an account.
Formula and method
Example
A $5,000 campaign that generates 100 new customers has a $50 CPA.
Tips for a useful result
Define “acquisition” consistently when comparing campaigns.
What this calculator is useful for
Calculate cost per acquisition (CPA) from campaign spend and acquired customers or conversions. The result is intended for quick estimates, checking arithmetic and comparing scenarios. When a result affects a contract, tax filing, medical decision, building-code requirement or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
Frequently asked questions
What does the Cost Per Acquisition Calculator calculate?
Calculate cost per acquisition (CPA) from campaign spend and acquired customers or conversions.
How does the Cost Per Acquisition Calculator work?
CPA = total acquisition spend ÷ acquired customers.
Is the Cost Per Acquisition Calculator free to use?
Yes. ERICH Calculators is free to use and does not require an account.