Net Revenue Retention Calculator
NRR, GRR and what expansion is really adding.
Enter your values
ⓘ Live results
Results
- Net revenue retention
- 101.1%
- Gross revenue retention
- 92.2%
- Ending MRR from the existing base
- $182,000.00
- Implied annual growth with no new sales
- 14.2%
- Expansion rate
- 8.9%
- Churn plus contraction rate
- 7.8%
- Benchmark
- Healthy
Quick answer
NRR = (starting MRR + expansion − contraction − churn) ÷ starting MRR. Above 100% the base grows even with no new customers.
NRR = (start + expansion − contraction − churn) ÷ start
How to use the Net Revenue Retention Calculator
- 1Enter the MRR you started the period with.
- 2Add expansion from upgrades and usage growth.
- 3Enter contraction from downgrades and MRR lost to cancellations.
Worked example
Using the values the calculator loads with:
Inputs
- Starting MRR180000 $
- Expansion MRR16000 $
- Contraction MRR5000 $
- Churned MRR9000 $
Results
- Net revenue retention101.1%
- Gross revenue retention92.2%
- Ending MRR from the existing base$182,000.00
- Implied annual growth with no new sales14.2%
- Expansion rate8.9%
- Churn plus contraction rate7.8%
- BenchmarkHealthy
Frequently asked questions
What is a good NRR?
100% is the break-even line. Best-in-class B2B SaaS reaches 120%+, while self-serve products typically sit at 85–100%.
Why track GRR as well?
GRR ignores expansion, so it exposes the real churn rate that a few large upsells might otherwise hide.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.