Churn Rate Calculator

Churn rate measures the percentage of customers who stop using a product or service over a given time period. Use our free churn rate calculator below to estimate your business's churn rate.

This calculator helps you understand customer churn in your business. Here's how to use it:

Enter values for any two of the three fields: Customers at Start, Customers Lost, or Churn Rate.
Click "Calculate" to find the missing value.
The result will appear below the inputs.
Use the "Reset" button to clear all fields and start over.

Hover over the "ⓘ" icon next to each field for more information.

Customers at Start

Customers Lost

Churn Rate (%)

Results

Churn Rate Formula

To calculate churn rate, divide the number of customers lost during a period by the total number of customers at the start of that period, and multiply this number by 100 to express it as a percentage.

Churn Rate Calculator