Churn Rate Calculator

By CalculatorInn Team · Updated: 2026-03-22 · Free & accurate · Instant results

Calculate customer churn rate, revenue churn, and retention metrics to understand customer attrition.

Interactive Churn Rate Calculator

JavaScript is required for the interactive calculator. Enable JavaScript to use this tool.

How to Use This Calculator

Step-by-Step Instructions

  1. Enter your customers at start
  2. Enter your customers lost
  3. Enter your time period
  4. Enter your monthly
  5. Enter your quarterly
  6. Enter your annually
  7. Enter your churn rate
  8. Enter your retention rate
  9. Enter your annualized churn
  10. Enter your customers retained
  11. Enter your avg customer lifetime
  12. Results appear instantly — no button needed

Formula

Mathematical Formula

Churn Rate = Customers Lost / Customers at Start × 100%

How It Works

Churn Rate = Customers Lost / Customers at Start × 100%

Frequently Asked Questions

How does this work?

Enter your values in the fields above and the calculator will compute results instantly using the formula shown.

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