MRR calculator

Use this MRR calculator to add up monthly recurring revenue from your plans and customers, convert it to ARR, and see how new, expansion, contraction and churned revenue moved it.

Free, no sign-up. Runs in your browser, with no AI calls.

Plan 1
Plan 2
Plan 3
Last month's MRR movements (optional)

Your result

Monthly recurring revenue (MRR)
$2,785

MRR = sum of customers × monthly price, with yearly prices / 12

Annual recurring revenue (ARR)
$33,420

ARR = MRR × 12

Average revenue per customer
$55.70

Average revenue per customer = MRR / customers

Net new MRR
$392

Net new MRR = new + expansion - contraction - churned

MRR a month ago
$2,393

MRR a month ago = MRR today - net new MRR

MRR growth
16.38%

Growth = net new MRR / MRR a month ago

Lost MRR rate
8.19%

Lost MRR rate = (contraction + churned) / MRR a month ago

Net revenue retention
95.90%

Net revenue retention = (MRR a month ago + expansion - contraction - churned) / MRR a month ago

Quick ratio
3.00

Quick ratio = (new + expansion) / (contraction + churned)

What this means

Your subscriptions bring in $2,785 a month, or $33,420 a year at current prices and customer numbers. Recurring revenue grew 16.38% over the month.

Next step

You lost 8.19% of last month's MRR to downgrades and cancellations. Ask those customers why they left or downgraded, and fix the most common reason first. Calculate the churn rate

Worked example. Change the inputs to use your own data. Currency follows the page language; no exchange-rate conversion is applied.

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Monthly recurring revenue is the sum of what active subscribers pay each month, with yearly plans divided by 12. Forty customers paying 49 a month and 10 paying 990 a year give an MRR of 2,785 and an ARR of 33,420. Net new MRR is new plus expansion minus contraction and churn.

How to use this tool

Bring each plan to a month
MRR = sum of customers × monthly price, with yearly prices divided by 12. Leave out one time fees and customers still in a free trial. ARR = MRR × 12.
Back out last month
Net new MRR = new + expansion - contraction - churned MRR, using the movement types ChartMogul Help defines: new business, expansion (upgrades), contraction (downgrades and discounts) and churn (cancellations). MRR a month ago = MRR today - net new MRR.
Read the ratios
Growth = net new MRR / MRR a month ago. Lost MRR rate = (contraction + churned) / MRR a month ago. Net revenue retention = (MRR a month ago + expansion - contraction - churned) / MRR a month ago. Quick ratio = (new + expansion) / (contraction + churned).

ChartMogul Help: understanding MRR movements

Questions before you start

Yes, divided by 12. A customer paying 1,200 a year adds 100 to MRR each month, even though the money arrives once. Cash timing belongs in the burn rate calculator.

MRR counts only the recurring part of active subscriptions, brought to a monthly figure. Revenue in your accounts also includes one time fees and services, and follows accounting rules for when it is earned.

The MRR you added from new and expanding customers was larger than the MRR you lost to contraction and churn that month. Below 1, recurring revenue shrank.

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