How does the Cohort Retention Calculator work?

Group customers by signup month or year Then: Track activity status in subsequent months Then: Calculate % still active at each interval Then: Graph cohort retention curves.

Can you give an example of how to use the Cohort Retention Calculator?

Example: Input 100 start, 80 m1 gives a result of 80% retention.

Is the Cohort Retention Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Cohort Retention Calculator?

Our Cohort Retention Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Cohort Retention Calculator

Cohort Retention

Starting Users

Retained Users

Period (e.g., Month 1, Month 3)

Tracks what percentage of customers from each signup cohort remain active over time. Measures product-market fit and customer satisfaction.

Difficulty:intermediate

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Did You Know?

SaaS companies with 95%+ monthly retention grow 5-10× faster than those with 80-90%.

References

›Retention Analytics

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Cohort Retention Calculator

Cohort Retention

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Cohort Retention