How do you calculate MRR?

Calculate MRR by summing the monthly-normalised value of all active subscriptions, then track how that total changes with new sales, expansions, downgrades, and cancellations over the period. Practically, teams build a **bridge** from starting MRR to ending MRR using those four movements so executives can see whether growth came from new logos, existing expansion, or reduced leakage.

Net new MRR is the **sum of gains minus losses** in recurring revenue for a period, typically calculated as new MRR plus expansion MRR minus contraction MRR minus churned MRR. Positive net new MRR means your recurring revenue base grew even if some customers left, while negative net new MRR signals that losses outpaced additions and expansions.

Does MRR include discounts?

Most finance teams include discounts by recognising **net MRR** after coupons or negotiated price cuts, amortised over the contract term if needed. The key is consistency: if discounts are excluded, growth rates can look inflated relative to cash collections. Document whether you report **list MRR**, **net MRR**, or **cash MRR** so cross-functional teams interpret charts the same way.

How is MRR different from ARR?

MRR is a **monthly** snapshot of recurring revenue run-rate, while ARR is commonly **MRR multiplied by twelve** for annual planning and investor reporting. ARR can diverge from simple multiplication when contracts ramp, include seasonal true-ups, or when finance uses fiscal calendars; still, the two metrics should reconcile with documented rules.

What is a good MRR growth rate?

Good MRR growth depends on stage: very early startups may sustain double-digit **monthly** growth for short periods, while larger SaaS companies often benchmark **year-over-year** ARR growth in the twenty-to-forty percent range depending on scale. Always pair growth with **churn**, **CAC payback**, and **efficiency** so acceleration does not come from unsustainable spend or low-quality customers.

Why did my MRR drop if I added customers?

MRR can fall when **churned or contraction MRR** exceeds the sum of new and expansion MRR, even if you signed new logos. Large downgrades, seasonal usage drops, or the loss of a major account can overwhelm smaller wins. Review the full bridge rather than isolating new sales to diagnose the true driver.

How does churn affect MRR?

Churn removes MRR associated with customers who cancel or downgrade to zero, directly reducing ending MRR unless replaced by new or expansion MRR. Because churn compounds over time, small increases in monthly churn can stall net new MRR growth even when sales pipelines look full. Model churn explicitly in bridges and cohort analyses.

SaaS Metrics

Free SaaS finance calculator

MRR Calculator — Monthly Recurring Revenue Formula, Benchmarks & Growth Rates

Roll forward MRR with new sales, expansions, contractions, and churn so finance and growth share one definition of net new MRR.

**Net New MRR = New MRR + Expansion MRR − Contraction MRR − Churned MRR**—skip any component and your board deck will disagree with billing.

Number of Paying Customers

Total active paying subscribers

Monthly Subscription Price

Average price per customer per month

Adjust Paying Customers100

110,000

Share this calculation

This calculator provides estimates for learning purposes. Results depend on your inputs and assumptions.

What is Monthly Recurring Revenue (MRR)?

Monthly Recurring Revenue normalises subscription contracts into a monthly run-rate so SaaS operators can track growth without invoice timing noise. It typically excludes one-time fees and professional services unless your policy explicitly includes them. MRR movements split into new logos, expansion, contraction (downgrades), and churn, which together explain why ending MRR differs from starting MRR. Because churn is inseparable from MRR bridges, pair outputs with the Churn Rate Calculator. LTV models consume ARPU derived from MRR—see the LTV Calculator.

MRR components and the bridge equation

New MRR comes from first-time paying customers in the month. Expansion MRR adds upgrades, seat adds, and usage tiers on existing accounts. Contraction MRR captures deliberate downgrades before churn. Churned MRR is MRR lost when customers cancel entirely. Net New MRR = New + Expansion − Contraction − Churned. Annual contracts are usually divided by twelve (or days-based proration) per your finance policy. Common mistakes include counting reactivations as new without a rule, double-counting trials, or mixing cash and accrual inconsistently.

Worked example: August MRR bridge

Start August at $500k MRR. Add $42k new, $18k expansion, lose $9k to downgrades, and $27k to churn. Net new = 42 + 18 − 9 − 27 = $24k; ending MRR $524k. Annualise growth cautiously—one strong month does not compound automatically. Validate churn math with the Churn Rate Calculator.

Net MRR growth rate tiers (monthly)

Early-stage SaaS often posts volatile monthly growth; compare against ARR scale and pipeline, not just percentages.

Tier	Range	What it means
Exceptional (early stage)	> 15%/month	T2D3 trajectory. Typical for pre-$1M ARR companies.
Strong (growth stage)	8% – 15%/month	Healthy growth for $1M–$10M ARR. Well above average.
Solid	3% – 8%/month	Sustainable growth for established companies. 36–150% annual growth.
Stalling	< 3%/month	Below average. Investigate churn, CAC, or product-market fit.

MRR vs ARR vs booked revenue

ARR is simply MRR × 12 for many teams, but contract ramps and seasonality make them non-identical. Booked revenue includes non-recurring items; billed revenue includes timing quirks. Use MRR for operating cadence, ARR for investor shorthand, and cash for runway.

Grow net new MRR responsibly

Increase new MRR with better pipeline conversion—not just top-of-funnel volume—using the CAC Calculator guardrails. 2) Drive expansion via usage limits and seat-based pricing. 3) Reduce contraction with success checkpoints before renewals. 4) Cut churn using insights from the Churn Rate Calculator. 5) Tighten ICP so new MRR retains at higher rates, lifting LTV per the LTV Calculator.

Multi-product and usage-based MRR

Usage-based MRR may fluctuate without logo churn—separate committed from variable components in board reporting. Multi-product expansions belong in expansion MRR when SKUs roll into one account; treat new business lines per policy to avoid gaming metrics.

Common MRR mistakes

Including one-time services, recognising annual prepay all in one month as MRR incorrectly, or excluding discount amortisation. Another pitfall is vanity new MRR from deep discounts that churn next month.

Teams that rely on MRR bridges

Finance closes books; RevOps aligns CRM to billing; Investors track rule-of-40 style efficiency; Product ties releases to expansion and churn deltas alongside the Churn Rate Calculator.

Frequently Asked Questions about Monthly Recurring Revenue

How do you calculate MRR?: Calculate MRR by summing the monthly-normalised value of all active subscriptions, then track how that total changes with new sales, expansions, downgrades, and cancellations over the period. Practically, teams build a **bridge** from starting MRR to ending MRR using those four movements so executives can see whether growth came from new logos, existing expansion, or reduced leakage.
What is net new MRR?: Net new MRR is the **sum of gains minus losses** in recurring revenue for a period, typically calculated as new MRR plus expansion MRR minus contraction MRR minus churned MRR. Positive net new MRR means your recurring revenue base grew even if some customers left, while negative net new MRR signals that losses outpaced additions and expansions.
Does MRR include discounts?: Most finance teams include discounts by recognising **net MRR** after coupons or negotiated price cuts, amortised over the contract term if needed. The key is consistency: if discounts are excluded, growth rates can look inflated relative to cash collections. Document whether you report **list MRR**, **net MRR**, or **cash MRR** so cross-functional teams interpret charts the same way.
How is MRR different from ARR?: MRR is a **monthly** snapshot of recurring revenue run-rate, while ARR is commonly **MRR multiplied by twelve** for annual planning and investor reporting. ARR can diverge from simple multiplication when contracts ramp, include seasonal true-ups, or when finance uses fiscal calendars; still, the two metrics should reconcile with documented rules.
What is a good MRR growth rate?: Good MRR growth depends on stage: very early startups may sustain double-digit **monthly** growth for short periods, while larger SaaS companies often benchmark **year-over-year** ARR growth in the twenty-to-forty percent range depending on scale. Always pair growth with **churn**, **CAC payback**, and **efficiency** so acceleration does not come from unsustainable spend or low-quality customers.
Why did my MRR drop if I added customers?: MRR can fall when **churned or contraction MRR** exceeds the sum of new and expansion MRR, even if you signed new logos. Large downgrades, seasonal usage drops, or the loss of a major account can overwhelm smaller wins. Review the full bridge rather than isolating new sales to diagnose the true driver.
How does churn affect MRR?: Churn removes MRR associated with customers who cancel or downgrade to zero, directly reducing ending MRR unless replaced by new or expansion MRR. Because churn compounds over time, small increases in monthly churn can stall net new MRR growth even when sales pipelines look full. Model churn explicitly in bridges and cohort analyses.

Close the SaaS metrics loop

Use MRR with churn, LTV, and CAC calculators for board-ready narratives.

Browse all tools