Bigdelta Guides
SaaS
Metrics, benchmarks and playbooks for running a SaaS business on data.
SaaSSubscription revenue
How to calculate churn rate
The exact formulas for customer churn, revenue churn, net revenue churn and NRR — each with a worked example, and the annualising trap to avoid.
SaaSSubscription revenue
Annual churn rate: formula and monthly conversion
Annual churn isn't monthly × 12. The compounding formula in both directions, a conversion table, and when to measure directly instead.
SaaSSubscription revenue
How to calculate NRR from Stripe data
A step-by-step method for computing net revenue retention from Stripe subscriptions — and the traps that skew it.