Customer Acquisition Cost (CAC) Calculator

Calculate how much it costs to acquire one new customer from your marketing and sales spend. 🔒 Runs in your browser

Customer acquisition cost (CAC)–
Formula
  • CAC = (Marketing spend + Sales costs) ÷ New customers

How to use the Customer Acquisition Cost (CAC) Calculator

  1. Choose your currency if the calculator uses amounts.
  2. Enter your own numbers in the fields (the examples are only a starting point).
  3. Results update instantly as you type.
  4. Check the formulas below the results, and copy the results to share them.

About this tool

CAC measures the full cost of winning one new customer. Track it per channel and compare it with customer lifetime value.

Frequently asked questions

What costs should be included in CAC?

Ad spend, agency and tool costs, and the salaries of marketing and sales staff for the same period.

Are my numbers saved or sent anywhere?

No. Everything is calculated in your browser; only your currency choice is remembered on this device.

Is the Customer Acquisition Cost (CAC) Calculator free?

Yes. The Customer Acquisition Cost (CAC) Calculator is completely free to use, with no sign-up and no limits on normal use.

Is my data safe?

Yes. This tool runs entirely in your web browser using JavaScript. Your text is never uploaded to our servers.

Does it work on mobile?

Yes, it works in any modern browser on phones, tablets and computers. No app to install.

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