Free interactive calculator for Annual Recurring Revenue (ARR), Gross Revenue Retention (GRR), Net Revenue Retention (NRR), gross and net revenue churn, customer churn, and forecast accuracy. Enter your inputs and get board-ready outputs instantly.
What This Calculator Computes
ARR — annualized recurring revenue from your starting base and movements
Net New ARR — new plus expansion minus contraction minus churned ARR
GRR — gross revenue retention excluding expansion
NRR — net revenue retention including expansion
Gross Revenue Churn — percentage of ARR lost from churned customers
Net Revenue Churn — gross churn net of expansion ARR
Logo Churn Rate — percentage of customers lost
Forecast Accuracy — actual vs. forecast ARR comparison
SaaS Benchmarks
Best-in-class B2B SaaS companies target NRR above 120%, GRR above 90%, and logo churn below 5% annually. Enterprise-focused companies often reach NRR of 130% or higher through strong land-and-expand motions.