About this calculator

Healthy LTV:CAC ≥ 3:1. Below 1 you're burning money; above 5 you're under-investing in growth. Payback under 12 months is ideal.

Frequently asked questions

What does the CAC / LTV Ratio Calculator do?

Lifetime value vs customer acquisition cost — the SaaS health metric. Healthy LTV:CAC ≥ 3:1. Below 1 you're burning money; above 5 you're under-investing in growth. Payback under 12 months is ideal.

Is the CAC / LTV Ratio Calculator free to use?

Yes. Every calculator on Calcurly.com is free, works in your browser without sign-up, and can be embedded on your own website.

How accurate is the CAC / LTV Ratio Calculator?

Results are calculated in real time using industry-standard formulas. Treat the output as a well-informed estimate — always cross-check with local regulations, product datasheets, or a qualified marketing & ads professional before committing to a purchase or a job.

What inputs does the CAC / LTV Ratio Calculator need?

Enter values for: Avg revenue per user / mo, Gross margin %, Monthly churn %, CAC. Sensible defaults are pre-filled where possible so you can start with a single change.

Can I embed the CAC / LTV Ratio Calculator on my own website?

Yes — copy the iframe snippet at the bottom of this page, or use the Embed Generator to customise the size. The embedded version stays in sync with the live calculator on Calcurly.com.