Free calculator

Cost Per Acquisition Calculator

Free Cost Per Acquisition Calculator with instant browser-based results and a clear calculation breakdown.

Cost Per Acquisition Calculator

Calculate how much you spend to acquire each customer

Total Marketing Cost ($)

Please enter a valid cost (0 or greater)

Number of Conversions/Acquisitions

Please enter a valid number of conversions (greater than 0)

Your Cost Per Acquisition (CPA)

$0.00

Total Spend

$0.00

Total Conversions

Formula:

CPA = Total Marketing Cost ÷ Number of Conversions

What this means: Cost Per Acquisition (CPA) measures how much you spend on marketing to acquire one customer or conversion. A lower CPA indicates more efficient marketing spend. Use this metric to evaluate campaign performance and optimize your marketing budget allocation.

Want to understand the calculation?

See examples, formula notes and limitations.

Read the guide