Net Revenue Retention: The Metric That Predicts SaaS Success
NRR above 100% means your existing customers are paying you more each month than they did last month — even before you add a single new customer.
Net Revenue Retention (NRR) — also called Net Dollar Retention — measures how much revenue you retain from your existing customer base over a period, including expansions, contractions, and churn. It is arguably the single most predictive metric for SaaS health.
How to calculate NRR
NRR = (starting MRR + expansion MRR - contraction MRR - churned MRR) ÷ starting MRR. If you started the month with $10K MRR, added $1K from upgrades, lost $500 from downgrades, and lost $200 from cancellations, your NRR is ($10K + $1K - $500 - $200) ÷ $10K = 103%.
What NRR above 100% means
An NRR above 100% means your existing customer base is growing on its own — without any new customer acquisition. This is the compounding engine that makes some SaaS businesses grow exponentially. Public SaaS companies with NRR above 120% are valued at significantly higher multiples than those at 90%.
Benchmarks for indie SaaS
- Below 90%: Revenue is shrinking from your existing base
- 90–100%: Stable but flat
- 100–110%: Healthy expansion offsetting churn
- Above 110%: Strong net expansion — a significant competitive advantage
Most micro-SaaS products with flat pricing will naturally sit below 100% NRR because there is no expansion mechanism. Adding usage-based pricing, add-ons, or higher tiers is the most direct way to push NRR above 100%.
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