Break-Even CAC Calculator
Estimate the maximum CAC you can afford given ARPA, gross margin, churn, and a target payback period.
Inputs
Ad slot (optional): responsive unit under the form.
Results
Break-even CAC (payback target)
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Estimated LTV
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LTV:CAC (using break-even CAC)
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How it works
- Gross profit per month = ARPA x gross margin.
- Break-even CAC (payback) = gross profit per month x target payback months.
- We also compute a simple churn-based LTV for context.
FAQ
Why show LTV:CAC?
It is a common SaaS sanity-check metric. This tool estimates it using break-even CAC and simple LTV.