FREE ONLINE CALCULATOR

Churn Rate Calculator

Calculate customer churn and retention percentages from period-start customers and losses.

✓ Instant results ✓ Editable inputs ✓ Formula explained

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BUSINESS_ECOMMERCE · TOOLS

01 · Know your costs 02 · Set assumptions 03 · Compare margin

CALCULATION TOOL

Churn Rate Calculator

Change any value and calculate again.

Uses the values you enter. No account required.

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AAPL Apple Inc. NVDA NVIDIA Corporation MSFT Microsoft Corporation AMZN Amazon.com, Inc. GOOGL Alphabet Inc. AMD Advanced Micro Devices, Inc. TSLA Tesla, Inc. META Meta Platforms, Inc. PLTR Palantir Technologies Inc. SOFI SoFi Technologies, Inc. INTC Intel Corporation NFLX Netflix, Inc. AAL American Airlines Group, Inc. AAOI Applied Optoelectronics, Inc. AAON AAON, Inc. AARD Aardvark Therapeutics, Inc. ABAT American Battery Technology Company ABCL AbCellera Biologics Inc. ABEO Abeona Therapeutics Inc. ABLV Able View Global Inc. ABNB Airbnb, Inc. ABOS Acumen Pharmaceuticals, Inc. ABSI Absci Corporation ABTC American Bitcoin Corp.

Company names and symbols are taken from a Nasdaq listing snapshot. Stock prices, dividends, and live financial data are not supplied by this calculator.

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HOW IT WORKS

The calculation

Customer churn (%) = customers lost during period ÷ customers at start × 100; retention (%) = 100 − churn.

Read the full guide →

ASSUMPTIONS

Know the limitations

Do not include newly acquired customers in starting base; specify the same period when comparing churn rates.

Results are estimates derived from your inputs.

ABOUT THIS TOOL

When to use a churn rate calculator

Calculate customer churn and retention percentages from period-start customers and losses.

All assumptions are visible and adjustable. Check rates and underlying data against original sources before making a decision.