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About Lead EstimatorSelect your ideal customer profile to see your estimated reach and potential CS, HQL, BANT, webinar, and MQL leads with Qualent Media.

Free B2B marketing tool

CPA Calculator

Calculate cost per acquisition from media spend and conversion events. Compare CPA with your target and download the campaign cost calculations.

No sign-up. Clear method. Downloadable results.

Start with your inputs.

Enter your own figures, review the calculation and export the results. Defaults are illustrative examples.

Allowed: 0 to 1,000,000,000,000.
Whole-number count for the same reporting period. Allowed: 1 to 1,000,000,000,000; whole numbers only.
Allowed: 0.0001 to 1,000,000,000,000.

Illustrative example

Your results.

Applies to monetary outputs only. No amount conversion.

Complete valid inputs to see results.

Estimates depend on your assumptions. No inputs are sent or saved by this tool.

Method and definitions

CPA = advertising spend ÷ acquisition events. Target spend = events × target CPA. Events needed = round up(spend ÷ target CPA).

Define the acquisition event: a purchase, registration or another attributed conversion. CPA is media cost per event, whereas CAC includes sales and marketing cost per new customer. Match attribution window and event definition; zero events do not produce a zero CPA.

Worked example

$5,000 advertising spend for 100 acquisition events gives a $50 CPA. At a $40 target, those events allow $4,000 media spend.

Use this tool in your workflow

  1. Replace the example inputs with your own figures or facts.
  2. Use matching definitions, units and reporting periods.
  3. Review the method and scope before applying the output.
  4. Copy or download the results for your next planning discussion.

For help turning a plan into a campaign, explore Qualent Media’s B2B campaign strategy services.

A clear basis for your next step

Questions, answered.

Understand the method and the boundaries of the result.

How does this cpa calculator work?

CPA = advertising spend ÷ acquisition events. Target spend = events × target CPA. Events needed = round up(spend ÷ target CPA).

How should I interpret the result?

Define the acquisition event: a purchase, registration or another attributed conversion. CPA is media cost per event, whereas CAC includes sales and marketing cost per new customer. Match attribution window and event definition; zero events do not produce a zero CPA.

Can I download my results?

Yes. CSV export includes the inputs, unrounded numeric results where applicable, method and scope. Copy results is also available; if clipboard access is unavailable, a text download is provided. This tool runs in your browser without sending or storing your inputs.

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