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Cost per Acquisition (CPA)

Calculate Cost per Acquisition (CPA) instantly with the exact formula and a worked example.

Cost per Acquisition (CPA)

Ad spend$
Conversions (purchases, leads)
Clicks
CPA — cost per conversion
500$
Calculate Cost per Acquisition (CPA) instantly with the exact formula and a worked example.
Click-to-conversion rate
4%
CPC — cost per click
20$

More about: Cost per Acquisition (CPA)

What it calculates

The “Cost per Acquisition (CPA)” calculator computes CPA — cost per conversion in $ from 3 parameters: ad spend ($), conversions (purchases, leads), clicks.

Applied in business management, unit economics, and financial modeling.

Example calculation

With parameters Ad spend = 50,000 $, Conversions (purchases, leads) = 100, Clicks = 2,500 the result is 500 $.

How to use

  1. Enter ad spend, conversions (purchases, leads) and clicks — each field above is adjustable with a slider.
  2. CPA — cost per conversion ($) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Cost per Acquisition (CPA) calculated?
The Cost per Acquisition (CPA) calculator computes CPA — cost per conversion (in $) from ad spend, conversions (purchases, leads), clicks. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Cost per Acquisition (CPA) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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