Unit economics · 100% free

Cohort Payback Period Calculator

Calculate the months until each acquisition cohort crosses CAC break-even, by month-over-month contribution.

D2C SaaS
Cohort payback period
5 months
Recovered by month 60: $229
VC-friendly benchmark
Under 12 months
Over 18 = capital-intensive
Standard CAC payback assumes 100% retention. This calculator applies your monthly churn to compute realistic recovery — usually 30-50% longer.

About this tool

Cohort payback ≠ blended payback. Track per-cohort to spot whether recent acquisitions are paying back faster or slower than last quarter's.

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