John Galt Finance
SaaS Finance October 15, 2026 10 min read

SaaS Financial Metrics: 12 KPIs Every Founder Must Track

Short answer

Track twelve SaaS financial metrics in four groups: revenue (MRR, ARR, growth), unit economics (CAC, LTV, LTV:CAC, CAC payback), retention (gross and net revenue retention, logo churn) and efficiency (burn multiple, gross margin). Review cash and MRR movement weekly, the full set monthly, and cohorts quarterly.

Median NRR / GRR, private B2B SaaS
101% / 91% (SaaS Capital 2025)
CAC payback, "good"
12–18 months (Bessemer)
Burn multiple
~2x reasonable early; 3x+ a warning (Sacks)
Median growth, private SaaS
22% in 2025 (SaaS Capital)
Nikolajs Petrovics, Founder & CFO, John Galt Finance
Written and reviewed by
Founder & CFO, John Galt Finance

15+ years in finance: 100+ financial models built, €40m+ raised for clients, Forbes contributor and lecturer.

LinkedIn Reviewed October 2026

Why SaaS financial metrics matter more than revenue

This guide is the KPI reference for SaaS founders between first revenue and roughly $20M ARR: twelve metrics, the formula for each, a worked example, and the benchmarks worth comparing against. For how these metrics fit into planning, pricing and fundraising, read our broader guide to SaaS finance.

Revenue alone says little about a SaaS business. Two companies at $5M ARR can be in opposite positions: one keeps every customer and expands them, the other replaces a quarter of its base each year at high cost. Because you pay to acquire a customer up front and earn the money back over time, you can grow quickly and still run out of cash.

The twelve metrics fall into four groups:

GroupMetricsWhat it tells you
RevenueMRR, ARR, growth rateSize and speed of the recurring base
Unit economicsCAC, LTV, LTV:CAC, CAC paybackWhether winning customers creates value, and how fast
RetentionGross revenue retention, net revenue retention, logo churnWhether the base holds and grows
EfficiencyBurn multiple, gross marginHow much cash and cost it takes to grow

Revenue metrics: the growth engine

1. Monthly recurring revenue (MRR)

MRR is the recurring revenue you are contracted to collect each month from active subscriptions. Exclude one-off fees, implementation and usage that is not committed.

Formula: MRR = sum of normalized monthly subscription value of all active customers. An annual contract of $12,000 counts as $1,000 MRR.

Split MRR movement into four parts every month:

ComponentDefinitionWhat it signals
New MRRFrom customers who started this monthSales and marketing output
Expansion MRRUpgrades, add-ons, extra seats, price increasesDepth of value delivered
Contraction MRRDowngrades from existing customersValue gaps or overselling
Churned MRRFrom customers who cancelledRetention problems

2. Annual recurring revenue (ARR)

Formula: ARR = MRR x 12, or the sum of annualized recurring contract values.

ARR is the number investors use to size and value a SaaS company. Keep one written definition and apply it the same way every month. The most common error we see is counting signed but not yet live contracts, or one-off services, in ARR.

3. Revenue growth rate

Formula: Growth rate = (ARR this period - ARR same period last year) / ARR same period last year. Track month-over-month MRR growth too, but judge the business on year-over-year ARR, which smooths seasonality.

Benchmark: SaaS Capital's 2026 survey of more than 1,000 private B2B SaaS companies put median growth for 2025 at 22% (20% for bootstrapped, 25% for equity-backed). Growth depends heavily on size: SaaS Capital notes that 25% growth is below median for a $2M ARR company and above median for a $20M one. Bessemer's targets for venture-backed companies are much higher: 75%+ good, 100%+ better, 125%+ best.

Unit economics: the profitability engine

4. Customer acquisition cost (CAC)

Formula: CAC = total sales and marketing cost in the period / new customers won in the period.

Include everything: ad spend, salaries and commissions of sales and marketing staff, tools, agencies, events and content. A CAC that leaves out salaries is a fantasy number that makes every downstream metric look better than it is. Calculate it by segment and channel, not only blended.

5. Customer lifetime value (LTV)

Formula: LTV = (ARPA x gross margin %) / monthly revenue churn rate, where ARPA is average monthly revenue per account.

Worked example: a customer pays $500 a month, gross margin is 80% and monthly revenue churn is 2%. LTV = $500 x 0.80 / 0.02 = $20,000.

LTV is only as good as the churn assumption. In young companies, cohorts have not lived long enough to prove the churn rate, so treat LTV as an estimate and lean on payback.

6. LTV:CAC ratio

Formula: LTV:CAC = LTV / CAC.

LTV:CACReadingTypical action
Below 1xEach customer destroys valueStop scaling acquisition; fix pricing, churn or targeting
1x to 3xMarginalImprove retention or CAC before adding spend
3x to 5xHealthyScale the channels that produce it
Above 5xPossibly underinvestingTest more spend in the best channels

These thresholds are a working convention we use with clients, not a law; a 3x ratio built on an unproven churn rate is weaker than a 2.5x ratio built on two years of cohorts. Our explainer on the LTV to CAC ratio goes deeper, and the LTV:CAC calculator does the math.

7. CAC payback period

Formula: CAC payback (months) = CAC / (ARPA x gross margin %).

Worked example: CAC of $6,000, ARPA of $500 and gross margin of 80% gives $6,000 / $400 = 15 months.

Benchmark: Bessemer's State of the Cloud 2023 grades 12 to 18 months as good, 6 to 12 as better and under 6 as best. Its Scaling to $100 Million playbook sets targets by customer segment: under 12 months for SMB, under 18 for mid-market and under 24 for enterprise, and reports an average of about 15 months for companies at $1M to $10M ARR.

Retention metrics: the compounding engine

8. Gross revenue retention (GRR) and gross churn

Formula: GRR = (starting recurring revenue - contraction - churn) / starting recurring revenue, measured over 12 months for a cohort of existing customers. Gross revenue churn is 100% minus GRR. GRR excludes expansion, so it can never exceed 100%.

Benchmark: SaaS Capital's 2025 survey found median GRR of 91% for private B2B SaaS companies above $1M ARR, rising to 95% for companies with annual contract values above $250,000. The KeyBanc Capital Markets and Sapphire Ventures 2025 survey reported gross retention at 86% in 2023 and expected it to approach 90%. If you lose more than about 10% of revenue a year before expansion, new sales are mostly refilling a leak.

9. Net revenue retention (NRR)

Formula: NRR = (starting recurring revenue + expansion - contraction - churn) / starting recurring revenue, over 12 months for the same customer cohort.

NRR above 100% means your existing customers spend more this year than last, even after cancellations. That is the compounding engine of SaaS.

NRRReadingBessemer grade
Below 90%Base is shrinking fast; growth depends entirely on new sales—
90% to 100%Base is flat to slightly shrinking—
100%Base holdsGood
110%Healthy expansionBetter
120%+Strong expansion, often usage-based or enterpriseBest

Benchmark: SaaS Capital's 2025 median is 101%, and companies with the highest NRR grew at about double the median rate. ChartMogul's December 2025 analysis of about 2,700 B2B SaaS companies put median NRR at 82% and the top quartile at 97%; its sample includes smaller and lower-priced products. ChartMogul's 2023 retention report suggests 115% to 125% as best-in-class for B2B companies selling to mid-market and enterprise.

10. Logo churn rate

Formula: logo churn = customers lost in the period / customers at the start of the period.

Revenue churn and logo churn tell different stories. You can lose many small customers while keeping large ones, so revenue looks fine while your reference base and product signal erode. Bessemer grades annual logo retention above 85% as good, above 90% as better and 95% or more as best.

Efficiency metrics: the investor engine

11. Burn multiple

Formula: burn multiple = net burn / net new ARR, for the same period.

Worked example: you burned $1.2M last year and added $800,000 of net new ARR. Burn multiple = 1.5x.

Benchmark: David Sacks, who popularized the metric, calls 2x reasonable for an early-stage startup and treats 3x or more as a sign of a possible product-market fit problem. Burn multiple works best alongside the Rule of 40 rather than instead of it: burn multiple shows cash efficiency at any stage, while the Rule of 40 becomes more meaningful as growth stabilizes.

12. Gross margin

Formula: gross margin = (revenue - cost of revenue) / revenue.

What goes into cost of revenue matters as much as the result. SaaS Capital recommends including hosting, production DevOps, support and retention-focused customer success, and third-party software in the product, while excluding sales commissions and upsell-focused success. On that basis, it reports gross margins on SaaS license revenue of generally 80% to 85%. Professional services revenue usually runs at a much lower margin, so report it separately.

Building your SaaS metrics dashboard

The answer: one dashboard, one data source, three review rhythms. Numbers that live in separate spreadsheets get reconciled in meetings instead of acted on.

Weekly (CEO and leadership)

  • Cash balance, burn and runway
  • MRR movement: new, expansion, contraction, churn
  • Qualified pipeline

Monthly (after close, board-ready)

  • ARR, growth rate, NRR, GRR
  • CAC, LTV, LTV:CAC and payback by segment
  • Logo churn and gross margin trend
  • Burn multiple

Quarterly (strategic review)

  • Cohort retention curves: are newer cohorts retaining better?
  • Segment and channel economics: where does the next dollar go?
  • Benchmarking against companies of similar size and price point

The monthly set belongs in your board pack; our guide to what a founder board pack should include shows the layout. If you want the calculations automated from your billing system, see our comparison of ChartMogul, Baremetrics and ProfitWell.

SaaS benchmarks by stage

The answer: compare yourself with peers of similar size, price point and funding. Medians describe the population; venture targets describe what top-tier investors want to see.

MetricTypical (median)Venture-backed targetSource
ARR growth22% (2025, private B2B)75%+ good, 125%+ bestSaaS Capital 2026; Bessemer
Net revenue retention101% (above $1M ARR)110% better, 120%+ bestSaaS Capital 2025; Bessemer
Gross revenue retention91%; 95% above $250k contract value—SaaS Capital 2025
Logo retention—90%+ better, 95%+ bestBessemer
CAC paybackAbout 15 months average at $1M–$10M ARRUnder 12 SMB, under 18 mid-market, under 24 enterpriseBessemer
Gross margin (license revenue)Generally 80–85%—SaaS Capital
Burn multiple—Around 2x reasonable early; 3x+ a warningSacks

Bessemer's tiers come from its 2023 State of the Cloud report and its Scaling to $100 Million playbook, and are aimed at fundable venture-backed companies. Treat them as the high bar. A bootstrapped company growing 20% with 104% NRR can be an excellent business.

Actionable SaaS metrics checklist

Use this to set up metric tracking in about a month:

StepActionWhen
1Write definitions for MRR, ARR, churn, CAC and gross marginWeek 1
2Clean billing data and rebuild 12 to 24 months of MRR movementWeek 1–2
3Calculate fully loaded CAC by segment and channelWeek 2
4Build revenue and logo cohorts by start monthWeek 2–3
5Compute payback, LTV and NRR from cohorts, not assumptionsWeek 3
6Build one dashboard with the weekly and monthly setsWeek 3–4
7Set quarterly targets for GRR, payback and burn multipleWeek 4
8Review with leadership and assign an owner to each metricWeek 4

How we use this with clients

When we take on a SaaS client, step one is always definitions, written down and agreed with the founder. In most companies at least one headline metric changes once ARR is rebuilt from billing data rather than from the CRM or a pitch deck.

Then we connect the metrics to decisions:

  • Payback by channel sets the marketing budget, so spend moves toward the channels that return cash fastest.
  • GRR by cohort decides whether the next hire is a salesperson or a customer success manager.
  • Burn multiple and runway set the pace of hiring. We pair the metrics with a view of how much runway a founder should keep.
  • NRR by pricing tier shows whether packaging gives customers a reason to pay more.

The output is a monthly pack the board can rely on and a short list of actions, not a wall of charts. That is the core of our fractional CFO service for SaaS companies.

Next step

If your SaaS metrics disagree between systems or you are not sure which ones to trust, book a free CFO diagnostic call.

Related questions

What is the difference between SaaS metrics and regular financial metrics?

Regular financial metrics such as revenue, net income and margin describe a period. SaaS metrics describe the recurring base: how much revenue is contracted, how it expands or shrinks, and how long customers take to repay their acquisition cost. You need both. Management accounts tell you whether the period was profitable; SaaS metrics tell you whether the business is compounding.

Which SaaS metric matters most to investors?

Net revenue retention is usually first, because it shows whether the existing base grows without new sales. SaaS Capital's 2025 survey found that companies with the highest NRR grew at about double the median rate. Investors read it alongside gross retention, CAC payback and burn multiple to judge capital efficiency, not growth alone.

How often should I review SaaS financial metrics?

Review cash, burn and MRR movement weekly with the leadership team. Review the full set of twelve metrics monthly, once the books are closed, so the numbers tie to accounting. Add cohort and segment analysis quarterly. Reviewing less often than monthly means you learn about a churn or payback problem a quarter after it started.

Can I track SaaS metrics in a spreadsheet?

Yes, and many companies under a few million in ARR do. What matters is fixed definitions and one data source, usually the billing system. As customer counts grow, a subscription analytics tool connected to billing saves hours and reduces errors. The tool matters less than the discipline of reviewing the same definitions every month.

What should I fix first if my SaaS metrics look bad?

Start with gross retention. Every point of churn you remove improves LTV, NRR, payback and burn at once. Then tighten CAC by focusing spend on the segments and channels with the shortest payback. Pricing and packaging come next, because expansion revenue is what lifts NRR above 100%.

Why do NRR benchmarks differ so much between reports?

Samples differ. SaaS Capital's 2025 median of 101% covers private B2B companies above $1M ARR. ChartMogul's December 2025 analysis shows a B2B median of 82% across a broader set of companies, including lower-priced products. Retention rises with contract value, so compare yourself with companies at a similar price point.

Sources

Pages opened on 2026-10-15. Benchmarks differ by sample, company size, price point and funding; use them to locate yourself, not as targets.

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