Net Revenue Retention
NRRHow much revenue you keep from existing customers over a year — after upgrades, downgrades, and churn. Above 100% means you grow even with zero new customers.
How it's calculated
NRR = (starting revenue + expansion − contraction − churn) ÷ starting revenue
Why it matters
The single best signal that customers love the product. >100% is great.
Related terms
Monthly Recurring Revenue (MRR)
The predictable revenue you collect every month from subscriptions. The heartbeat metric for any subscription business.
Annual Recurring Revenue (ARR)
Your recurring revenue expressed as a yearly run-rate. Usually just MRR × 12.
Gross Revenue Retention (GRR)
Like NRR but without counting upgrades — it can never exceed 100%. Pure measure of how much revenue you lose to churn and downgrades.
Average Revenue Per User (ARPU)
The average revenue each customer (or account) brings in over a period.