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CAC Calculator

Calculate Customer Acquisition Cost and check it against lifetime value.

Customer Acquisition Cost (CAC)

$0.00

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What Is CAC Calculator?

The CAC Calculator divides total sales and marketing spend by new customers acquired to give Customer Acquisition Cost, then checks it against lifetime value for the LTV:CAC ratio investors watch. Add LTV to see whether growth spending is healthy or upside down.

Who Uses the CAC Calculator?

Founders, marketers, and finance teams use it for board reporting, budget planning, and channel comparisons.

How to Use the CAC Calculator

  1. Enter combined sales and marketing spend.
  2. Enter the number of new customers acquired.
  3. Optionally add lifetime value for the ratio check.

Why Choose Our CAC Calculator?

  • True CAC across all spend, not just ads
  • Built-in LTV:CAC health check against the 3x rule
  • Works per channel or for the whole business

Try the CAC Calculator above — it is free, fast, and works on any device. Bookmark this page to return whenever you need it.