Free embeddable tool · no signup · no API key

Customer Churn Rate Calculator

Calculate customer churn over a period from starting customers and customers lost.

Customers at period startCustomers lost

No account. No input is sent to Solarc Labs. Processing happens in this browser tab.

Opt-in only. The current converter or calculator inputs are stored in this browser until you clear them. Anyone using the same browser profile may be able to see them, so avoid sensitive values.

Result

Enter your values, then run the tool. Results stay on this device.

Method

Churn % = customers lost ÷ customers at period start × 100.