CAC Payback Period Calculator
Estimate how many months it takes to recover CAC using ARPA and gross margin.
Inputs
Ad slot (optional): responsive unit under the form.
Results
Payback period (months)
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Gross profit per month
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How it works
- Gross profit per month = ARPA x gross margin.
- Payback months = CAC / gross profit per month.
FAQ
What is a good payback period?
It depends on your market and cash constraints. Many SaaS businesses target 6-12 months, but there is no universal rule.