Calculate Monthly Recurring Revenue, ARR, and analyze your subscription revenue breakdown. Includes Net New MRR, Net Revenue Retention, and growth projections.
BASIC METRICS
MRR BREAKDOWN (This Month)
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Monthly Recurring Revenue (MRR) is the lifeblood of subscription-based businesses, particularly in the SaaS industry. Unlike traditional one-time sales, MRR provides predictable, stable revenue that enables accurate forecasting and strategic planning. According to SaaStr, MRR is the single most important metric for evaluating SaaS business health and growth trajectory.
The power of MRR extends beyond simple revenue tracking. It serves as the foundation for calculating customer lifetime value, determining optimal customer acquisition costs, and evaluating business valuation multiples. Most SaaS companies are valued at 5-15x ARR (Annual Recurring Revenue), making MRR growth directly tied to company valuation. Research by OpenView Partners shows that top-quartile SaaS companies achieve 20%+ month-over-month MRR growth in early stages.
Understanding MRR composition is equally important. Total MRR breaks down into New MRR from customer acquisition, Expansion MRR from upsells and cross-sells, and losses from Contraction and Churned MRR. The relationship between these components determines Net New MRR, the ultimate measure of business momentum. Companies with strong Net Revenue Retention (above 100%) can grow revenue from existing customers alone, creating a powerful growth engine. For comprehensive subscription analytics, combine MRR tracking with ARR calculations and retention analysis.
Basic MRR Formula
MRR = Number of Subscribers x ARPU (Average Revenue Per User)
New MRR = Sum of first-month revenue from new customers
Revenue from customers who subscribed for the first time this month. If you acquired 10 new customers at $100/month each, New MRR = $1,000.
Expansion MRR = Revenue increase from existing customers
Additional revenue from upgrades, add-ons, or increased usage. A customer upgrading from $50 to $100 adds $50 expansion MRR. This is often the most efficient revenue source.
Contraction MRR = Revenue decrease from downgrades
Revenue lost when existing customers downgrade their plans. A customer moving from $100 to $50 represents $50 contraction MRR. Track separately from churn for insights.
Churned MRR = Revenue lost from cancellations
Revenue from customers who cancelled completely. If 5 customers at $200/month cancel, Churned MRR = $1,000. This is the metric to minimize relentlessly.
Net New MRR = New + Expansion - Contraction - Churned
The bottom line: total MRR change this month. Positive Net New MRR means you're growing. Example: $5,000 New + $2,000 Expansion - $500 Contraction - $1,500 Churned = $5,000 Net New MRR.
Understanding each MRR component helps identify growth opportunities and retention issues.
First-time subscriptions from new customers
Upgrades, upsells, and additional seats
Returning customers who previously cancelled
Downgrades and reduced seat counts
Complete cancellations and non-renewals
Failed payments and expired cards
A project management startup with 200 customers at $49/month average. They acquired 30 new customers this month, had 5 upgrades to premium ($99), lost 8 customers to churn, and 3 downgraded from premium.
Strong 12% monthly growth is typical for early-stage SaaS. Focus should be on reducing the 4% churn rate to below 3% for sustainable scaling.
A marketing automation platform with 1,500 customers averaging $199/month. This month: 75 new customers, 120 expanded (avg +$80), 40 contracted (avg -$60), 25 churned.
Healthy 5.7% growth with NRR above 100% indicates strong product-market fit. Expansion revenue nearly equals new customer revenue, a sign of mature growth.
A data analytics platform with 300 enterprise customers at $2,500/month average. This month: 8 new enterprise deals, 45 seat expansions averaging $400, 12 seat reductions (-$300 avg), and 2 churned accounts.
Enterprise SaaS typically shows lower percentage growth but higher absolute numbers. The 112.5% NRR is excellent, driven by seat expansion within existing accounts. ARR of $9.4M positions this company for Series B funding.
While MRR is essential for subscription businesses, understanding its limitations ensures you make well-informed decisions.
MRR excludes one-time fees like setup costs, professional services, or implementation charges. For businesses with significant non-recurring revenue, MRR alone underestimates total revenue potential. Track TCV (Total Contract Value) alongside MRR.
Annual prepayments boost cash flow but show the same MRR as monthly payments. A customer paying $12,000 annually contributes $1,000 MRR but provides cash 12 months ahead. Track deferred revenue for complete financial picture.
Different companies calculate MRR differently. Some include usage-based revenue, others don't. Some normalize annual contracts to monthly, others recognize when billed. Ensure consistency when benchmarking against competitors.
High MRR growth can mask unprofitable unit economics. If CAC (Customer Acquisition Cost) exceeds LTV (Lifetime Value), growing MRR faster actually accelerates losses. Always pair MRR with LTV calculations and margin analysis.
MRR churn reflects cancellations after they happen. By the time churned MRR appears, the customer is already gone. Leading indicators like engagement metrics, NPS scores, and support tickets predict churn before it impacts MRR.
For more guidance, visit the Ratios tools hub.
Need broader benchmarks? Explore the SaaS tools hub.
Pair this tool with the Working Capital Calculator and the ARR Calculator to cross-check inputs. For strategic context, read our 12-month exit checklist and explore the Financial Ratios tools hub.
MRR is the foundation metric for subscription businesses, calculated by multiplying subscribers by ARPU. Track it monthly to measure business health and growth trajectory.
Break down MRR into components (New, Expansion, Contraction, Churned) to identify specific growth levers and retention issues. Net New MRR shows overall momentum.
Target Net Revenue Retention above 100% to grow from existing customers alone. Top SaaS companies achieve 120-140% NRR through strong expansion and low churn.
Healthy MRR growth rates vary by stage: 10-15% for early-stage, 5-10% for growth-stage, and 3-5% for mature SaaS companies. Consistent growth matters more than spikes.
Combine MRR analysis with complementary metrics like churn rate, customer lifetime value, and CAC for complete subscription business analysis.
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