Cost Per Acquisition Calculator — Campaign CPA
Free cost per acquisition calculator. Measure the cost efficiency of your advertising campaigns.
Formula: Ad Spend / Conversions
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What Is This Calculator?
Cost Per Acquisition for advertising measures how much you spend on ads to gain one conversion (sale, lead, signup). It helps you evaluate whether your ad campaigns are profitable and where to allocate budget.
How to Calculate
To calculate advertising CPA: 1) Sum your total ad spend for a campaign or period. 2) Count the total number of conversions attributed to those ads. 3) Divide spend by conversions. Formula: CPA = Ad Spend / Conversions.
Examples
Example: You spend $3,000 on Facebook ads and get 25 purchases. CPA = $3,000 / 25 = $120 per acquisition.
Recommended Tools
Both Google Ads and Facebook Ads Manager provide CPA tracking built into their reporting dashboards.
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