Free tool · instant · public version
CAC payback calculator.
How many months until each customer pays for itself? Enter CAC, gross margin, and monthly contribution. We return payback months, LTV:CAC ratio, and how fast you can scale ad spend without running out of cash.
Preview
Drop your email to unlock full breakdown: month-by-month cumulative cash flow, LTV calculation, scale-ceiling estimate, and rule-of-40 readout.
Tenant version
Need this saved per-brand with snapshots over time? The /app version persists every calc to your tenant dashboard.
See SaaS early access →