ToolStack
Revenue Metric

Annual Recurring Revenue (ARR)

ARR is MRR × 12 — the annualised run-rate of your recurring revenue. It's the standard metric for investor reporting, valuations, and strategic planning in SaaS. While MRR is the operational heartbeat, ARR is how the market measures SaaS scale. A $1M ARR milestone is a key early benchmark; $10M ARR signals product-market fit at scale.

Formula
ARR = MRR × 12

Note: ARR is a point-in-time snapshot of annualised run-rate, not the sum of the last 12 months of revenue. It answers: "If nothing changed, what would we collect in the next 12 months?"

Healthy range

ARR growth rate > 100% YoY (T2D3) for early-stage; > 50% for growth-stage

Warning signs

ARR growth < 20% YoY for a company under $10M ARR suggests serious stalls

Benchmarks by segment

SegmentBenchmark
Top-quartile SaaS (Bessemer benchmark)$1M→$10M ARR in < 3 years (T2D3)
Series A SaaS$1M–$5M ARR; 100–200% YoY growth
Series B SaaS$5M–$25M ARR; 80–120% YoY growth
Public SaaS companies (Rule of 40)Growth rate + profit margin ≥ 40%

How to improve ARR

1

Decompose ARR into new ARR, expansion ARR, and churned ARR every quarter — most boards track all three separately

2

Drive net negative churn: when expansion ARR exceeds churned ARR, your ARR grows even without new logos

3

Land-and-expand in enterprise: smaller initial contracts that expand as customers adopt the product drives ARR compounding

4

Improve annual plan uptake: converting monthly customers to annual reduces churn and improves ARR predictability

Common measurement mistakes

!Counting multi-year contract TCV as ARR — only the annual portion counts
!Confusing ARR with bookings (signed contracts) or recognised revenue (accounting) — ARR is normalised current run-rate only
!Reporting ARR growth without decomposing new vs expansion vs churn — masks whether growth is sustainable

Tools for measuring ARR

#1
Amplitude
4.5Free tier

Best-in-class behavioral analytics with powerful event segmentation, funnel analysis, and retention charts that go far deeper than Google Analytics

#2
Mixpanel
4.6Free tier

Best-in-class event-based analytics with intuitive funnel, retention, and flow reports that surface actionable insights quickly

#3
PostHog
4.6Free tier

All-in-one product analytics platform combining analytics, session replay, feature flags, A/B testing, surveys, and a data warehouse — replacing multiple point solutions

#4
Heap
4.4Free tier

Autocapture eliminates the need for manual event instrumentation — every click, pageview, and form interaction is tracked automatically from day one

#5
Statsig
4.7Free tier

All-in-one platform combining feature flags, A/B testing, product analytics, session replay, and web analytics — eliminating the need for separate tools

#6
Whatfix
4.6

Best-in-class no-code editor for creating in-app walkthroughs, tooltips, and interactive guides without developer involvement

Frequently Asked Questions

Should I report ARR or MRR to my board?

Both — but ARR is the standard for board decks and investor updates. Use MRR for internal operational tracking (it moves faster and gives earlier signal on churn and expansion). Report ARR with growth rate and net revenue retention alongside it.

What is "ARR per employee"?

ARR per employee (ARR ÷ headcount) is a capital efficiency metric. Best-in-class SaaS companies achieve $150k–$300k ARR per employee. At $100k ARR per employee with high growth, investors are comfortable. Below $80k suggests operational inefficiency at scale.

Related metrics

Monthly Recurring Revenue (MRR)Net Revenue Retention (NRR)Churn Rate