How it works
Churn rate = customers lost ÷ starting customers × 100.
Free calculator / Marketing
Customer churn calculator.
Measure customers lost during a period against customers at its start.
Your numbers
Change any value. The result updates here in your browser.
Your answer
A quick example
10 lost from 200 starting customers is 5% churn.
This is a calculation from numbers you supply, not financial or tax advice. Check assumptions before making a decision.