MRR vs ARR

Monthly Recurring Revenue and Annual Recurring Revenue compared side by side. Know when to use each and how they drive different business decisions.

Overview

MRR (Monthly Recurring Revenue)
Operational

MRR is the predictable, recurring revenue your business earns in a single month from active subscriptions. It is the pulse of a SaaS business and the primary day-to-day operating metric.

Granular, sensitive to change, and ideal for tracking growth momentum week-over-week and month-over-month.

ARR (Annual Recurring Revenue)
Strategic

ARR is MRR multiplied by 12 and represents the annualized run rate of your recurring revenue. It is the standard metric for investor reporting, valuation, and annual planning.

Smoother, less volatile, and ideal for year-over-year comparisons and enterprise deal sizing.

Formula Comparison

MRR Calculation

MRR = Sum of all recurring monthly subscription revenue

Example: 100 customers at $50/month + 20 customers at $200/month = $5,000 + $4,000 = $9,000 MRR

ARR Calculation

ARR = MRR x 12

Example: $9,000 MRR x 12 = $108,000 ARR. For annual contracts, ARR = Total contract value / Contract length in years.

MRR Components (Net New MRR)

Net New MRR = New MRR + Expansion MRR - Churned MRR - Contraction MRR

Breaking MRR into components reveals growth quality: healthy companies grow through expansion, not just new customer acquisition.

Side-by-Side Comparison

CriteriaMRRARR
Time HorizonMonthlyAnnual (run rate)
RelationshipMRR = ARR / 12ARR = MRR x 12
Primary UseOperations, sales tracking, growth monitoringInvestor reporting, valuation, annual planning
VolatilityHigh (reflects monthly changes immediately)Smooth (small monthly changes have less impact)
Best StageEarly-stage and growth companiesSeries A+ and growth-to-mature companies
Valuation MultipleNot standard (convert to ARR first)Standard: 5x-15x ARR for private SaaS
Churn SensitivityVery high - shows impact in same monthLower - impact spread over 12-month view
Reporting CadenceWeekly or monthly dashboardsQuarterly board reports, investor updates
Common MistakeIncluding one-time fees or services revenueTreating ARR as actual cash received (it is a run rate)

Understanding MRR Components

Tracking MRR in aggregate is good. Tracking its components is great. The four MRR movement types reveal the quality and sustainability of your growth.

New MRR

Revenue from brand new customers acquired this month. The purest signal of new customer acquisition effectiveness.

Expansion MRR

Revenue from existing customers upgrading their plan or purchasing add-ons. The healthiest growth signal for product-led companies.

Contraction MRR

Revenue lost from existing customers downgrading. A warning signal that customers are not getting enough value to justify their current plan.

Churned MRR

Revenue lost from customers who canceled their subscriptions entirely. High churned MRR signals product-market fit or retention issues.

When to Use Each Metric

Focus on MRR When...
  • Tracking sales team performance month-over-month
  • Monitoring churn and expansion in real time
  • Running experiments and measuring feature impact
  • Pre-Series A when monthly momentum matters most
  • Setting monthly sales quotas and commission targets
Focus on ARR When...
  • Preparing investor updates or board presentations
  • Benchmarking against industry ARR milestones
  • Modeling company valuation and fundraising range
  • Selling annual contracts and enterprise deals
  • Annual budgeting and headcount planning

Common Calculation Mistakes

Including non-recurring revenue in MRR

Setup fees, professional services, and one-time charges are not recurring. Including them inflates MRR and creates misleading month-to-month comparisons.

Confusing ARR with actual cash collected

ARR is a run-rate metric, not a cash flow statement. A company with $1M ARR has not necessarily collected $1M in cash. Annual contracts paid upfront affect cash flow separately from ARR.

Counting trials or freemium users in MRR

Free trials and freemium accounts generate no revenue. Only include customers who are actively paying for a subscription.

Using TCV instead of ACV for ARR

Total Contract Value (TCV) for a 3-year deal is not the same as ARR. ARR should reflect the annual recurring value, not the full contract sum.

Track Your MRR and ARR

Use our free MRR/ARR calculator to track recurring revenue, model growth scenarios, and understand MRR components including new, expansion, and churned revenue.

Frequently Asked Questions

What is the difference between MRR and ARR?

MRR (Monthly Recurring Revenue) is the predictable recurring revenue your business earns in a single month. ARR (Annual Recurring Revenue) is simply MRR multiplied by 12, representing the annualized run rate of that recurring revenue. They measure the same underlying business health at different time scales. MRR is more granular and useful for spotting trends month-over-month, while ARR provides a smoother, higher-level view that is easier to benchmark against annual targets.

When should I use MRR vs ARR?

Use MRR for day-to-day and month-to-month operational decisions: tracking churn impact, measuring the effect of new feature launches, or monitoring sales team performance. Use ARR for strategic conversations, investor reporting, and annual planning. Early-stage companies often focus on MRR because it reflects weekly and monthly momentum more clearly. Growth-stage and later-stage companies shift toward ARR as the primary headline metric because it aligns with annual budgeting and enterprise deal sizes.

Do investors prefer MRR or ARR?

Investors typically want to see ARR as the headline metric for Series A and beyond because it is comparable across companies and aligns with standard valuation multiples (e.g., 10x ARR). However, sophisticated investors will always dig into MRR trends to understand growth velocity, churn patterns, and new bookings composition. For seed-stage companies and early-stage startups, MRR is often more appropriate because ARR can make small businesses appear larger than they are, and monthly granularity is more meaningful at that stage.

How do I calculate ARR from MRR?

ARR = MRR x 12. This is a straightforward multiplication. Important: ARR is a run-rate metric, not an actual annual total. It represents what your revenue would be over 12 months if your current MRR stayed constant. It does not account for future growth or churn. If your company earns $83,333 in MRR, your ARR is $1,000,000. One common mistake is including one-time fees or non-recurring revenue in MRR/ARR calculations. Both metrics should only include truly recurring, contractually committed revenue.