Gym membership churn-rate calculator
Free client-side churn calculator for gym owners. Enter starting members, lost members, and period — get a clear rate plus next steps. No account required.
Churn rate
12.0%
Formula: lost ÷ starting members × 100. Stay consistent period-to-period.
How to use this
Use one consistent definition: lost members ÷ members at period start × 100. Do not mix mid-period joins into the denominator unless you switch to an average-members method and document it.