MRR & ARR Calculator
Calculate MRR and ARR from customers and average revenue. This free online business & marketing calculator runs entirely in your browser — no signup, no data sent anywhere.
Inputs
Results
How It Works (Formula & Method)
MRR is the number of paying customers times the average revenue per user per month. ARR is simply MRR × 12. These are the headline metrics for subscription businesses because they smooth out one-off payments into predictable revenue.
Worked Example
Below is a worked example using the calculator's default values. The same numbers are pre-filled in the form above so you can press Calculate and see the result without typing anything.
Inputs used:
- Paying Customers: 200
- Avg Revenue per User / month ($): 49
With these inputs, the calculator computes the metrics shown in the Results panel. Change any value and press Calculate again to see how the result responds — the live widget and the chart both update instantly.
Frequently Asked Questions
What does the MRR & ARR Calculator compute?
The MRR & ARR Calculator takes 2 input values and returns 2 results. Calculate monthly recurring revenue (MRR) and annual recurring revenue (ARR) from your number of customers and average revenue per user.
Is my data sent to a server?
No. The MRR & ARR Calculator runs entirely in your browser using static JavaScript. Your inputs are never transmitted to CalculatorHive or any third party, and nothing is stored after you close the page.
Is this calculator free to use?
Yes. Every calculator on CalculatorHive is completely free. There is no signup, no paywall, and no usage limit. The site is supported by display advertising and affiliate partnerships, which are clearly labeled.
How accurate is the result?
The math is mathematically exact for the inputs you provide. Real-world accuracy depends on how accurately your inputs reflect the real situation — defaults are typical values, not guarantees.