CAC Payback Period
See how many months it takes to earn back your CAC.
CAC PAYBACK PERIOD
7.5
months to recover CAC
Healthy
Payback = CAC ÷ (monthly revenue × gross margin). Under 12 months is healthy for most SaaS.
What is CAC Payback Period?
CAC payback period is how many months of margin-adjusted revenue it takes to earn back what you spent acquiring a customer. Shorter paybacks mean cash comes back faster to fund more growth.
Payback (months) = CAC ÷ (monthly revenue per customer × gross margin)
How to read your result
- Under 12 months is strong for most SaaS; under 6 is excellent.
- Using gross margin (not raw revenue) gives a realistic payback.
- Long paybacks tie up cash and increase risk if customers churn early.
- Shorter payback lets you reinvest in acquisition sooner.
Frequently asked questions
What is a good CAC payback period?
For SaaS, recovering CAC within 12 months is generally healthy, and under 6 months is excellent. Longer periods strain cash flow.
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