Monthly Recurring Revenue (MRR): Formula, How to Calculate It, and ARR

Monthly recurring revenue (MRR) is the predictable revenue a subscription business earns every month from active subscriptions. The basic formula is number of active subscriptions multiplied by the average revenue per account, with every plan normalized to a monthly figure. If 200 customers pay an average of 250 dollars a month, your MRR is 50,000 dollars. Annual recurring revenue (ARR) is simply MRR multiplied by 12.

Last updated: July 2026.

MRR looks like a single figure and behaves like five. It is the number a subscription business is actually run on, more useful day to day than the total revenue on the income statement, because it strips out one-time charges and tells you the size of the base you can count on next month. It is also the number teams most often report wrong, usually by folding in fees that will never repeat.

This guide covers the formula, a worked calculation, the five movements that change MRR from month to month, how MRR connects to ARR, what counts as recurring and what does not, and the growth math that matters more than the raw total.

What is monthly recurring revenue?

Monthly recurring revenue is the normalized, predictable revenue you receive from subscriptions in a given month. Normalized is the operative word. A customer on an annual plan paying 3,000 dollars once a year does not contribute 3,000 dollars of MRR in January and nothing for the rest of the year. They contribute 250 dollars of MRR every month, because MRR measures the run rate of the contract, not the timing of the cash.

That distinction is what makes MRR the operating metric of a subscription business. Cash arrives in lumps. Recognized revenue follows accounting rules. MRR sits between them and answers one question a founder asks constantly: if nothing changed, how much would we bill next month? Because it excludes anything non-recurring, it is a cleaner read on momentum than the top line, which is why it pairs so naturally with churn rate and net revenue retention, the two metrics that explain why MRR moved.

What is the MRR formula?

There are three equivalent ways to arrive at MRR. They should all produce the same number; if they do not, your data is inconsistent.

The sum-of-subscriptions method is the one to trust when plans vary in price and term, because the ARPA method hides how lopsided the base can be. A blended ARPA of 250 dollars can describe 200 identical accounts or 190 small accounts and 10 that carry half the revenue. Only the itemized sum tells you which, and that matters the moment one of those large accounts gives notice.

How to calculate MRR step by step

1. List every active recurring subscription. Include paying accounts only. Exclude trials, free plans, and paused subscriptions unless you have decided to count them, and if you do, write the decision down so the series stays consistent.

2. Normalize each plan to a monthly value. Divide annual plans by 12, multiply weekly plans by roughly 4.33, and convert quarterly plans by dividing by 3. Every plan must be expressed as dollars per month before you add anything.

3. Strip out everything non-recurring. Setup fees, one-time onboarding charges, professional services, overage that will not repeat, and hardware are not MRR. They are real revenue, but they are not the run rate.

4. Apply discounts, do not ignore them. A customer on a 20 percent discount contributes their discounted price to MRR, not the list price. Counting list price is the most common way MRR gets quietly inflated.

5. Add the normalized values. The sum is your MRR for the month. Recalculate it on the same day each month so month-over-month comparisons mean something.

The five MRR movements

The total tells you the size of the base. The movements tell you the story, and the story is where the decisions live. Every month, MRR changes through five distinct flows.

Net new MRR is the sum of the three gains minus the two losses: New plus Expansion plus Reactivation, minus Contraction, minus Churned. A month can add plenty of new logos and still shrink if churn and contraction outrun them, and that is exactly the diagnosis a single total would hide. When expansion alone exceeds contraction plus churn, your existing base is growing without a single new signup, the property that pushes net revenue retention above 100 percent.

MRR vs ARR: which should you use?

ARR is annual recurring revenue, the same run rate expressed over a year. For most subscription businesses ARR is just MRR multiplied by 12, and the choice between them is about contract length and audience, not about a real difference in the underlying number.

Use MRR to run the business month to month, because it surfaces a downturn a month or two before ARR does. Use ARR to describe the business to a board or an investor, where an annualized run rate is the convention. A monthly self-serve product that quotes ARR is usually doing it to make the number look bigger; an enterprise business with mostly annual contracts genuinely lives in ARR.

What counts as MRR and what does not

The fastest way to make MRR lie is to feed it revenue that will not repeat. Recurring means it renews on a predictable schedule without a new sale. By that test, subscription fees and recurring seat charges are MRR. Setup fees, one-time migration work, and billable professional services are not, no matter how large the invoice.

Two grey areas trip teams up. Usage-based charges belong in MRR only to the extent they are stable and expected; the predictable floor of a metered plan is recurring, the spiky overage on top of it is not. And annual prepayments are recurring but must be normalized, so a 12,000 dollar annual deal is 1,000 dollars of MRR, not a 12,000 dollar spike in the month the cash lands. Getting this right is also what keeps your recurring run rate reconcilable with the GAAP financial statements your finance team produces, where that same annual payment is recognized ratably rather than all at once.

Is MRR the same as revenue?

No. MRR is a normalized run rate of recurring subscriptions; recognized revenue is what accounting rules let you book in a period, and cash is what actually arrived. The three rarely match in any given month. A customer who prepays a year sends you 12,000 dollars of cash today, adds 1,000 dollars to MRR, and lets you recognize 1,000 dollars of revenue this month with the remaining 11,000 sitting in deferred revenue. Confusing these is how a business talks itself into thinking a strong cash month was a strong growth month.

What is a good MRR growth rate?

The number worth watching is not the MRR total, which only tells you how big you are, but the month-over-month growth rate, which tells you how fast. Early-stage software companies chasing venture scale often target 10 to 15 percent monthly growth, which is punishing to sustain and rare past the first few million in ARR. A steadier, bootstrapped business growing MRR 3 to 7 percent a month is compounding faster than the flat number suggests. As with churn, the honest benchmark is your own trend line and whether growth is covering your cost to acquire those customers, not a cross-industry average.

Frequently asked questions about monthly recurring revenue

How do you calculate MRR? Calculate MRR by normalizing every active subscription to a monthly value, stripping out one-time fees, applying any discounts, and adding the results. The shortcut version is active accounts multiplied by average revenue per account per month. With 200 accounts at an average of 250 dollars, MRR is 50,000 dollars. Recalculate on the same day each month so the series stays comparable.

What is the difference between MRR and ARR? MRR is monthly recurring revenue and ARR is that same run rate over a year, usually MRR multiplied by 12. Use MRR to manage a monthly or self-serve business because it shows movements early, and use ARR for enterprise businesses on annual contracts and for board or investor reporting where an annualized figure is the convention.

Does MRR include one-time fees? No. MRR includes only revenue that recurs on a predictable schedule, such as subscription and seat fees. Setup charges, onboarding fees, one-time professional services, and non-repeating overage are real revenue but are excluded from MRR, because including them overstates the base you can count on next month.

Why is my MRR growing but my cash flat? Because MRR and cash measure different things. A month of expansion and upgrades lifts MRR immediately, but if those customers pay monthly the cash arrives gradually, and if churned customers had prepaid annually the cash was collected long ago. Watch how long invoices take to collect alongside MRR to see the full picture.

Is MRR a GAAP metric? No. MRR is an operating metric, not a figure defined by generally accepted accounting principles. It does not appear on financial statements and there is no single mandated way to calculate it, which is exactly why a business should document its own definition and apply it consistently rather than quietly changing what counts as recurring from quarter to quarter.

MRR is the pulse of a subscription business, but a pulse only tells you the base is alive, not why it moved. Read it next to churn, net revenue retention, and customer lifetime value, and manage the subscriptions that feed it with the right recurring billing tools. All of it sits inside the same discipline: customer experience operations is where recurring revenue is either earned and kept or quietly lost.