Calculators · Free to use
MRR & ARR Calculator
Mixed billing terms make revenue hard to read. Enter customers and price across monthly, quarterly and annual plans to get normalized MRR and ARR.
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How to use the mrr & arr calculator
- 1Enter customers and monthly price for your monthly plan.
- 2Add quarterly and annual plan customers and prices if you have them.
- 3Read total normalized MRR and ARR.
This tool runs in your browser. The text, files and values you enter are not uploaded to our server.
About the mrr & arr calculator
MRR (monthly recurring revenue) and ARR (annual recurring revenue) are the backbone SaaS metrics, but mixed billing terms make them hard to read. This calculator normalizes monthly, quarterly and annual plans into a single MRR figure and the corresponding ARR (MRR × 12) so you compare apples to apples.
Frequently asked questions
Is this tool free?
Yes — completely free, no signup, no watermark and no limits. Startup OG funds the site through its directory and partner program, not paywalled tools.
How do you calculate MRR?
Sum the normalized monthly value of every active subscription. Quarterly plans contribute price ÷ 3, annual plans price ÷ 12. This tool does that automatically.
Is ARR just MRR times 12?
Yes for steady recurring revenue: ARR = MRR × 12. It excludes one-off fees and services revenue, which are not recurring.
Should I include one-time fees in MRR?
No. Setup or onboarding fees are non-recurring and inflate MRR. Track them separately.