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  3. Comment calculer correctement votre Taux de Churn SaaS
Data•2026-02-12•6 min

Comment calculer correctement votre Taux de Churn SaaS

Beaucoup de fondateurs se trompent dans le calcul de leur churn. Voici la vraie formule et pourquoi l'involontaire doit être séparé.

Formules de base et erreurs courantes

Le calcul naif (Clients perdus ce mois / Clients en début de mois) montre vite ses limites lorsque la croissance est fulgurante, car les clients ajoutés en cours de mois faussent les proportions.

Séparer le churn actif (clic sur le bouton se désabonner) du churn involontaire (échec de facturation) est crucial. Si votre churn total est à 8% (dangereux), mais que le churn involontaire représente 6%, votre produit n'est pas le problème, c'est votre entonnoir de paiement !

A

Alex

Product Manager

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