CAC Payback Calculator

How long does it take to earn back your acquisition cost?
Model payback under different AOV, margin, and repeat purchase scenarios.

Blended CAC

First Purchase AOV

Gross Margin %

Monthly Repeat Rate %

Repeat Purchase AOV

Enter your numbers above to see your payback timeline.

Want to model full cohort behavior?

The Retention Cohort Simulator lets you map LTV trajectories month-by-month with custom repeat rates and AOVs.