Cost Per Acquisition Calculator
Calculate CPA and revenue comparison.
Keep or share the finished result
Copy or share after running the tool. Saved tools and settings stay in this browser.
What would you like to do next?
Calculate cost per acquisition
Cost per acquisition measures how much it costs to gain a customer, signup or other acquired outcome. Enter campaign spend, acquisitions and optional revenue per acquisition to calculate CPA and a simple revenue comparison. It is useful for growth campaigns, ecommerce ads, trial signups and paid acquisition planning.
Spend divided by acquisitions
CPA should be compared with gross margin, lifetime value and payback period before increasing budget.
Frequently asked questions
What counts as an acquisition?
Use the conversion event that matters, such as a customer, paid signup, booking or qualified account.
Is CPA the same as CPL?
No. CPL measures leads, while CPA measures acquired outcomes.
Does this include lifetime value?
No. It compares CPA with one revenue value entered by you.