Customer churn calculator
Turn an annual churn rate into a monthly figure and the average customer lifetime it implies — and check it against healthy SaaS benchmarks.
Share of customers who leave over a year.
Optional — to see how many you keep over time.
1.6%
- Avg customer lifetime5.6 yrs
- Of 200 today, kept after 12 mo164
Churn is in range
Your monthly churn is within healthy SaaS benchmarks.
Benchmark Under 5% monthly (SMB), under 2% (enterprise)
Retention curve
How many of today’s customers are still with you each month, at this churn rate.
Why it matters
Churn quietly sets the ceiling on everything — your LTV, your payback, your growth. A small monthly number sounds harmless, but compounded over a year it decides how hard you have to run just to stand still.
Stop recalculating by hand
Radley Finance keeps this metric — and every other — live from one model, with the same benchmarks built in. Investor-ready in under an hour.
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