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MRR / ARR Calculator

MRR and ARR are the heartbeat metrics of any subscription or SaaS business.

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About the MRR / ARR Calculator

MRR and ARR are the heartbeat metrics of any subscription or SaaS business.

Calculate Monthly and Annual Recurring Revenue, churn impact, and growth projections. This calculator is completely free β€” no sign-up, no email, no paywalls. Results are estimates; always verify with a qualified professional for high-stakes decisions.

Frequently Asked Questions

What is MRR?
Monthly Recurring Revenue β€” predictable revenue from active subscriptions in a given month. The primary health metric for SaaS businesses.
What churn rate is acceptable?
SaaS benchmark: under 5%/month (or 2% for enterprise). Under 1%/month is world-class. High churn (10%+) means you're losing half your base every 6 months.
What is expansion MRR?
Revenue from existing customers upgrading, adding seats, or buying add-ons. Negative churn (expansion > churn) is the holy grail of SaaS.
How do I calculate customer lifetime?
Average customer lifetime = 1 Γ· Monthly Churn Rate. At 3% monthly churn, average customer stays ~33 months.

πŸ“‹ How to Use

  1. Enter your values in the fields above
  2. Click Calculate or press Enter
  3. View your instant results and chart
  4. Export to CSV or share your results