Free startup tool

Free CAC payback calculator

Estimate how many months it takes to recover customer acquisition cost from gross profit per customer.

Useful for SaaS, subscription products, agencies, and paid acquisition planning.

CAC ($)Monthly revenue per customer ($)Gross margin (%)Monthly churn (%)

Estimate

Monthly gross profit/customer

$39.20

CAC payback period

6.4 months

Estimated gross LTV

$980

Gross LTV:CAC

3.92x

Estimates are for planning only. Real earnings depend on niche, traffic geography, ad demand, layout, and policy compliance.