CalculatorVaultCalculators
Retention & Attrition Calculator
Interactive Vault tool
JR Strength & FitnessUpdated Aug 31, 2026retention · business
Problem this solves
Convert roster movement (starting clients, clients lost, clients added, period length) into churn rate, retention rate, implied client lifespan, a 12-month roster projection, and the dollar cost of attrition — with an A/B scenario quantifying what a churn reduction is worth.
This resource is part of the Vault
Convert roster movement (starting clients, clients lost, clients added, period length) into churn rate, retention rate, implied client lifespan, a 12-month roster projection, and the dollar cost of attrition — with an A/B scenario quantifying what a churn reduction is worth.