Monthly Recurring Revenue (MRR)

What Monthly Recurring Revenue Means

MRR is the dollar value of subscriptions that recur every month, normalized regardless of how customers actually pay. A $120,000 annual contract contributes $10,000 to MRR. A two-year contract worth $240,000 contributes the same $10,000. Setup fees, professional services, and one-time charges don't count — only the portion that will keep arriving next month, and the month after that.

How MRR Is Calculated

The base formula is straightforward: sum the monthly-normalized recurring fees across every active subscription on the last day of the month. Most operators decompose it into five components to track movement:

Net New MRR = New + Expansion + Reactivation − Contraction − Churn. That single number is what investors and boards actually want to see, because it shows whether the business is growing or treading water.

A Worked MRR Example

A 200-customer SaaS starts the month at $480,000 MRR. Sales books 12 new logos at an average of $1,800/month — $21,600 in New MRR. Three existing customers expand by a combined $4,500/month. One enterprise customer downgrades by $2,200/month. Four small accounts churn at a combined $3,100/month.

Net New MRR = $21,600 + $4,500 − $2,200 − $3,100 = $20,800. Ending MRR is $500,800. The headline 4.3% month-over-month growth looks healthy. The 0.65% gross churn rate is the number the VP Sales actually has to defend in the next board meeting.

When Sales Teams Use MRR

MRR is the metric the CFO and the CRO argue over every Monday. Finance uses it to forecast cash, since recurring revenue is the floor under next month's P&L. RevOps uses it to model Net Revenue Retention and Gross Revenue Retention — the cohort math that determines whether the business is leaky. Sales leaders use it to size bookings targets, because new ARR has to outrun churn to hit growth plan.

Recruiters use MRR as a proxy for company stage. A $50k MRR startup is a 10-person seed company. A $5M MRR business is a Series B with a head of sales and probably a Sales Engineer function. The number tells you what infrastructure exists and what you'd be building from scratch.

Common MRR Gaming Patterns

Three exploits show up repeatedly. The first is mixing in non-recurring revenue — counting professional services or implementation fees in the MRR line. This inflates the number by 10-20% and breaks every downstream cohort calculation. The second is the timing dodge: booking expansion MRR on the day a contract is signed instead of when the upsold seats activate, which front-loads the metric and creates a "growth" curve that flattens 90 days later. The third is annual-discount laundering — selling what would be a $10k/month plan as $96k upfront, then reporting $10k MRR while the customer effectively paid $8k/month. The discount disappears from the metric. It stays on the income statement forever.

MRR also says nothing about contract length, payment timing, or cash collection. A $50k MRR book of month-to-month deals is fundamentally riskier than $50k MRR locked into three-year contracts — but the headline number reads identically. Operators who confuse the two are the ones who get surprised by quarterly cash crunches.