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Churn Cost Calculator

Estimate the financial impact of customer churn and compare a current churn rate with a retention-improvement scenario.

Use average monthly recurring revenue per customer and a consistent currency throughout. Results model the assumptions you enter, not guaranteed savings or future customer behavior.

The calculation runs locally in your browser. No input values are saved or sent to a server.

Estimate the run-rate cost of churn.

Enter your current customer count; partial customer counts are not accepted.

Use average monthly revenue, not an annual customer-value estimate. The dollar sign is generic; currencies are not converted.

Used to estimate the gross-profit value associated with retained or lost revenue.

The share of active customers who stop doing business with you during a month.

Example: 100 active customers

At $100 monthly revenue per customer, 70% gross margin and 5% monthly churn, the model estimates 5 customers lost, $500 monthly revenue lost and $350 monthly gross profit lost.

This calculator models the run-rate financial effect of your churn assumptions. A lower churn rate does not guarantee revenue, and actual customer behavior and acquisition activity may produce different results.