CPA Calculator
CPA ties spend directly to outcomes, making it the metric closest to profitability. Keep CPA below the value of a conversion to stay profitable. 100% free, runs in your browser — no sign-up.
Cost per acquisition (CPA)
$50.00
Formula
CPA = Ad Spend ÷ Conversions
Example
Spend $1,000 for 20 conversions → CPA = $1,000 ÷ 20 = $50.00.
Learn more: What is CPA? →
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