SaaS & growth

Net Revenue Retention Calculator

Measure revenue retained from an existing customer cohort, including expansion.

No sign-upBrowser-only calculationsFormula & methodology
01

Your numbers

Use one currency and the same reporting period. Sample values are filled in to help you start.

currency
currency
currency
currency

Your numbers stay in this browser.

02

Example result

Net revenue retention110%
Ending cohort MRR
11,000

Exclude new customer revenue and use the same cohort at both dates. Lost base revenue cannot exceed starting MRR.

Understand the result

How to calculate it

NRR = (starting MRR + expansion − contraction − churn) ÷ starting MRR × 100

Exclude new customer revenue and use the same cohort at both dates. Lost base revenue cannot exceed starting MRR.

Worked example

This is an illustrative scenario, not a market benchmark. Select “Reset to example” to reproduce it in the calculator.

Starting cohort MRR
10,000 currency units
Expansion MRR from cohort
2,000 currency units
Contraction MRR
500 currency units
Churned MRR
500 currency units

Net revenue retention: 110%

Common questions

Net Revenue Retention FAQ

Can NRR exceed 100%?

Yes. Expansion from existing customers can more than offset contractions and cancellations.

What does this calculation leave out?

Exclude new customer revenue and use the same cohort at both dates. Lost base revenue cannot exceed starting MRR.

Are my inputs saved or sent to a server?

Calculations run in your browser. We do not send your inputs or results to our server or analytics. A comparison stays in this tab until it is refreshed. A CSV is saved only when you choose to download it. See our privacy policy for ordinary hosting and optional analytics data.

Keep exploring

Related calculators

Explore saas & growth →

Read the financial guides

Build context around the numbers with examples from our published library.

Break-Even ROAS Formula: Find Your Advertising Threshold →CAC Payback Period: Calculate Months to Recover Acquisition Cost →
One of 100 free calculators.