Cohort Analysis Calculator

Analyze customer retention by cohort. Enter retention rates to calculate average retention, churn patterns, and lifetime value.

Cohort Data

Initial Cohort Size

Retention Rates by Period (%)

Month 1

Month 2

Month 3

Month 4

Month 5

Month 6

Revenue Per User/Period ($) optional

Acquisition Cost per User ($) optional

Enter retention rates as percentage of original cohort still active. E.g., if you started with 1000 users and 800 remain after Month 1, enter 80%.

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Enter cohort size and retention rates to analyze

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MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

ðŸ”„Last reviewed: May 2026

âœ“Formula checks are based on standard references and internal QA review.