Net Revenue Retention (NRR) Calculator
Measure expansion versus churn on existing customers.
SaaS founders, operators and investors rely on the free Net Revenue Retention (NRR) Calculator to nail Net Revenue Retention in seconds — no spreadsheets, no sign-up. Enter your numbers, get an accurate result instantly, and compare scenarios to make smarter pricing, budgeting and growth calls.
About Net Revenue Retention (NRR) Calculator
Net revenue retention (NRR) measures how much recurring revenue you keep and grow from existing customers after expansion, contraction and churn. The formula is simple: NRR = (Starting MRR + Expansion − Contraction − Churn) ÷ Starting MRR × 100. For example, $100k starting MRR, +$20k expansion and −$5k churn gives 115% NRR. The free Net Revenue Retention (NRR) Calculator does the math for you — just enter your starting MRR plus expansion, contraction and churned MRR and read the result instantly. It runs entirely in your browser with no sign-up, no limits and nothing to install.
How to use Net Revenue Retention (NRR) Calculator
- 1Enter your starting MRR plus expansion, contraction and churned MRR into the calculator.
- 2The Net Revenue Retention is computed automatically using the formula NRR = (Starting MRR + Expansion − Contraction − Churn) ÷ Starting MRR × 100 — there's no button to press.
- 3Change any input to model a different scenario, then note or copy the result.
Why use Net Revenue Retention (NRR) Calculator?
- ✓Calculates Net Revenue Retention instantly with the correct formula — no spreadsheet needed
- ✓100% free and unlimited, with no sign-up, login or paywall
- ✓Runs entirely in your browser, so the numbers you enter stay private
- ✓Updates live as you type — perfect for comparing scenarios
Frequently asked questions
How do you calculate Net Revenue Retention?+
Net revenue retention (NRR) measures how much recurring revenue you keep and grow from existing customers after expansion, contraction and churn. The formula is: NRR = (Starting MRR + Expansion − Contraction − Churn) ÷ Starting MRR × 100. For example, $100k starting MRR, +$20k expansion and −$5k churn gives 115% NRR.
What's a good NRR?+
Best-in-class SaaS companies exceed 120%; 100% means existing customers fund their own growth even before any new sales.
Is the Net Revenue Retention (NRR) Calculator free to use?+
Yes — it's completely free, with no sign-up, no login and no usage limits. You can run it as many times as you like.
Is my data private?+
Yes. The Net Revenue Retention (NRR) Calculator runs entirely in your browser, so the figures you enter are never uploaded or stored on any server.
Embed Net Revenue Retention (NRR) Calculator on your website
Want Net Revenue Retention (NRR) Calculatoron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
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