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Cost per acquisition calculator

Calculate your advertising cost for each acquisition.

Templates and calculations run locally in your browser. No generative AI or paid API is used. Review results before use.

Understand the calculation

Cost per acquisition = ad spend ÷ acquisitions.

A practical example

Spend $300 to acquire 10 customers: cost per acquisition is $30.

What this tool cannot tell you

Define an acquisition consistently, such as a new paying customer rather than a click or enquiry.

Explore the marketing and website guides