Free calculator

Churn Calculator

Use this churn calculator to understand how many customers you lost during a period and how much retention work your loyalty program needs to offset.

How to use this calculator

Measure customer churn rate, retained customers, and retention rate for a period. These calculators are intended for planning and benchmarking. Use your own finance, attribution, and campaign data before making final budget decisions.

Worked examples

Each example runs the same formulas as the calculator above, using figures typical of that kind of business.

Fitness studio chain

A 5-location yoga and fitness studio seeing seasonal churn patterns during summer months.

Inputs
Customers at start2800
Customers lost420
Results
Churn rate15%
Retention rate85%
Retained customers2,380

SaaS platform

A B2B software platform monitoring account cancellations month-over-month to measure program impact.

Inputs
Customers at start45000
Customers lost2250
Results
Churn rate5%
Retention rate95%
Retained customers42,750