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Customer Acquisition Cost Calculator

Result

Calculated result 5000 Based on the values entered.
↗ Finance

Customer Acquisition Cost Calculator — free online calculator.

Formula

CAC = Total Marketing Spend / New Customers Acquired
  • Customer Acquisition Cost Calculator calculates its result from Total Marketing Spend, New Customers Acquired, Customer Lifetime Value. It uses the formula CAC = Total Marketing Spend / New Customers Acquired. Change any input to recalculate the result instantly.
  • The main inputs are Total Marketing Spend, New Customers Acquired, Customer Lifetime Value. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Customer Acquisition Cost

Inputs
  • Total Marketing Spend: 500000
  • New Customers Acquired: 100
  • Customer Lifetime Value: 15000

Using Total Marketing Spend = 500000, New Customers Acquired = 100, Customer Lifetime Value = 15000, the calculated result is 5000.

Sample result: Calculating…

Frequently asked questions

What does the Customer Acquisition Cost calculate?

Customer Acquisition Cost Calculator — free online calculator.

Which values should I enter?

Enter Total Marketing Spend, New Customers Acquired, Customer Lifetime Value using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: CAC = Total Marketing Spend / New Customers Acquired.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026