Calculate NRR — the gold-standard metric for measuring revenue growth from existing customers.
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MRR at period start.
Revenue from upsells and cross-sells.
Revenue from cancellations.
Revenue from downgrades.
NRR = ((Beg MRR + Expansion − Churn − Contraction) ÷ Beg MRR) × 100
NRR above 100% means existing customers grow on their own. Best SaaS companies hit 120%+.
Enter values to calculate.
Over 100% is the goal. Top SaaS companies achieve 120-140%.
GRR excludes expansion and can never exceed 100%. NRR includes expansion and can.
It shows whether your product becomes more valuable over time. 130% NRR doubles revenue from existing customers in ~2.5 years.
Monthly for operations, quarterly for board reporting. Use trailing-12-month NRR to smooth seasonality.