MRR and ARR Calculator
Track recurring revenue and how fast it grows.
Your numbers
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Your results
MRR
MRR
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ARR
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Net new MRR
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Monthly growth rate
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MRR and ARR Calculator by TheCalcTools
How the MRR and ARR Calculator works
Multiply paying customers by average monthly revenue per account for MRR.
ARR is MRR × 12.
Net new MRR adds new and expansion revenue and subtracts churned revenue.
The formula
MRR = customers × ARPAARR = MRR × 12
Worked example
Using the default values shown in the calculator:
| Paying customers | 420 |
|---|---|
| Average revenue per account (monthly) | $49 |
| New MRR this month | $2400 |
| Churned MRR this month | $900 |
| Expansion MRR this month | $600 |
- MRR = 420 × $49 = $20,580; ARR = $246,960.
- Net new MRR = 2,400 + 600 − 900 = $2,100, a 11.36% monthly growth.
Result:
| MRR | $20,580 |
|---|---|
| ARR | $246,960 |
| Net new MRR | $2,100 |
| Monthly growth rate | 11.36% |
Frequently asked questions
Should one-off fees count in MRR?
No. Only predictable recurring subscription revenue belongs in MRR.
How is the growth rate computed here?
Net new MRR divided by the MRR at the start of the month (current MRR minus net new MRR).
Sources and further reading
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This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.