Churn Rate Calculator
Calculate churn and retention rates from customer loss.
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What This Calculator Does
Calculate churn and retention rates from customer loss.
It combines Customers at Start, Customers Lost to estimate Churn Rate, Retention Rate.
Formula & Method
Churn and retention are Churn\% = \frac{Lost}{Start}\times100 and Retention\% = 100 - Churn\%.
Notation used in the formulas: R = Churn Rate; x_{1} = Customers at Start; x_{2} = Customers Lost.
Method summary: inputs are normalized to consistent units, core equations are evaluated, then secondary values are derived and rounded for display.
Use this calculator for quick scenario analysis. Start with baseline values, change one driver at a time, and compare how sensitive the results are to each input shown above.
Inputs Used
- Customers at Start: Used directly in the calculation.
- Customers Lost: Used directly in the calculation.
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