SaaS Growth Metrics
Track whether growth is efficient, retained, and board-defensible.
Metrics in this guide
Each card defines one metric — what it measures, how to calculate it, and a typical benchmark.
- Execution
ARR
Annual recurring revenue
Normalised yearly value of recurring subscription contracts.
- Formula
- MRR × 12 (with consistent recognition rules)
- Typical benchmark
- Boards track ARR growth rate and net retention together.
- Execution
NRR
Net revenue retention
Revenue kept from a cohort including expansion, minus churn and downgrades.
- Formula
- (Start ARR + expansion − churn − downgrade) ÷ Start ARR
- Typical benchmark
- Best-in-class B2B SaaS often >110–120% NRR.
- Validation
GRR
Gross revenue retention
Revenue retained before expansion — isolates churn/downgrade only.
- Formula
- (Start ARR − churn − downgrade) ÷ Start ARR
- Typical benchmark
- Enterprise SaaS often targets GRR ≥90%.
- Validation
Logo churn
Logo churn
Share of customers who cancel in a period.
- Formula
- Churned logos ÷ logos at period start
- Typical benchmark
- Annual logo churn <5–10% for SMB; lower for enterprise.
- Strategy fit
R40
Rule of 40
Growth rate plus profit margin — efficiency of scaled SaaS.
- Formula
- YoY revenue growth % + EBITDA or FCF margin %
- Typical benchmark
- ≥40 combined is a common public-SaaS benchmark.
- Strategy fit
Burn mult.
Burn multiple
Net burn required to generate each dollar of net new ARR.
- Formula
- Net burn ÷ net new ARR
- Typical benchmark
- ≤1.5× often cited as efficient; >2× raises efficiency questions.
The SaaS growth metrics set tracks recurring revenue health: ARR/MRR, net revenue retention (NRR), gross revenue retention (GRR), logo churn, expansion, CAC payback, and Rule of 40 (growth rate + profit margin).
Boards and investors expect this vocabulary. It separates durable growth from leaky bucket acquisition.
Monthly operating reviews, fundraising datarooms, and /datastrat dashboard design. Complements AARRR stage metrics.
- Standardise ARR recognition rules.
- Report NRR and GRR by cohort and segment.
- Track logo vs revenue churn separately.
- Add CAC payback and burn multiple.
- Calculate Rule of 40 quarterly.
- Tie one metric per exec owner.
- NRR >100% for expansion motion.
- Definitions match finance — not product analytics alone.
- Annualising sloppy MRR.
- Ignoring downgrades in NRR.
- Applying SaaS metrics to one-time services revenue.
Northvale Systems (module ARR). ARR €4.2M; NRR 108% (expansion in compliance add-on); GRR 91%; logo churn 6% enterprise; Rule of 40 32 (growth 18% + margin 14%). Read: retention acceptable; growth below Rule of 40 — upsell motion is the lever.
PulseWell. ARR $380K; NRR 112%; GRR 88%; net churn 4% monthly logo on SMB tier; burn multiple 1.8×. Read: expansion saves SMB churn — prioritize seat growth in HRIS accounts before broad PLG.
Harbor (not pure SaaS). Recurring retainer ARR £620K; NRR 95% (project gaps); utilization 82%. Translate SaaS lens carefully — repeat revenue % is the analogue to NRR for services.
Clearwater restricted funding. Renewal rate 67% on 3yr grants; cost efficiency ↑12% YoY (maintenance vs new drills). Use grant renewal rate + cost per outcome instead of ARR/NRR.
Methodology here; instrument via /datastrat and model scenarios in /finance. Map stages to AARRR and /northstar.
Related techniques
Sources & further reading
- Bessemer Venture Partners. SaaS metrics definitions (public benchmarks).