Calculate monthly recurring revenue (MRR) and annual recurring revenue (ARR) — enter customer count and average revenue per user (ARPU) to see subscription revenue metrics. Results update live.
Frequently Asked Questions
What is MRR?
Monthly recurring revenue (MRR) = Number of customers × ARPU. It is the predictable subscription revenue your business earns each month.
How is ARR calculated?
Annual recurring revenue (ARR) = MRR × 12. ARR annualizes subscription revenue for planning and investor reporting.
What is ARPU?
Average revenue per user (ARPU) is the mean monthly subscription revenue per customer. Include plan upgrades and add-ons in your average.
What other SaaS metrics should I track?
Pair MRR with the Churn Rate Calculator and Customer Lifetime Value Calculator for a fuller picture.
Is this tool free and does it work on mobile?
Yes on both counts. The Monthly Recurring Revenue Calculator on draft21 is completely free with no sign-up required and works on all devices.