Finance Calculator
CAC Payback
Compare CAC against monthly gross profit per customer to estimate payback speed and efficiency.
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Unit economics
$
Use fully-loaded acquisition cost per customer.
$
Monthly average revenue per account.
%
Defaults to 80% for a simple SaaS-style baseline.
Live results
Snapshot
CAC payback
Incomplete
Enter CAC and ARPA to estimate payback.
Gross margin
80%
Payback is based on gross profit only. It does not factor in churn, cash collection timing, support costs, or expansion revenue.