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Monthly Churn Rate Calculator

Calculate your monthly customer churn rate. Monthly churn is the standard SaaS metric — it tells you how quickly your customer base erodes and is the input most other metrics (LTV, runway, MRR projections) depend on.

What makes this different

  • Formula: (Customers Lost ÷ Customers at Start) × 100
  • B2B SaaS benchmark: 1-2% monthly
  • SMB SaaS benchmark: 3-5% monthly

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Churn Rate Calculator

Calculate customer and revenue churn — monthly & annualized.

Try Churn Rate Calculator →

Frequently Asked Questions

Calendar month is simpler and standard for reporting. 30-day rolling is more responsive but harder to compare period-over-period. Pick one and stick with it.

Business & SaaS Disclaimer

Calculations on the linked calculator are estimates. SaaSCalcHub is not business or financial advice. Consult a qualified professional for your specific situation.