Benchmarks

Startup finance benchmarks

What good looks like for the numbers founders track, on one page. Each range is the accepted industry convention, named where it has an author, and each links to the full definition with its formula and a worked example. Where no honest range exists, there is no row: a metric like CAC varies too much by market for a single number to mean anything.

ARR

ARR = MRR × 12

The venture-scale reference is T2D3: from about €1M ARR, triple it twice, then double it three times, reaching €100M around year five (Neeraj Agrawal, 2015).

Burn multiple

burn multiple = net burn / net new ARR

Under 1x exceptional · 1 to 1.5x great · 1.5 to 2x good · 2 to 3x suspect · above 3x trouble past seed.

CAC payback period

CAC payback = CAC / (ARPA × gross margin)

Under 12 months is generally considered healthy for SaaS.

Churn rate

customer churn = customers lost / customers at start

SMB SaaS commonly runs 3 to 5 percent monthly. Products sold to larger companies target under 1 percent.

Gross margin

gross margin = (revenue − cost of revenue) / revenue

Software businesses typically run 70 to 85 percent. Services and hardware run considerably lower.

LTV:CAC ratio

LTV : CAC = lifetime value / customer acquisition cost

3:1 is the widely used target. Below 1:1 every customer loses money. Above 5:1 often means underspending on growth.

MRR

MRR = number of active accounts × average revenue per account

Paul Graham's yardstick for YC-stage startups: 5 to 7 percent growth a week is good, 10 percent is exceptional. Most companies at that stage measure it on MRR.

Net revenue retention

NRR = (starting MRR + expansion − contraction − churn) / starting MRR

Above 100 percent means the existing base grows without new customers. Best-in-class B2B SaaS reaches 120 percent or more.

Above 30 percent from one customer is commonly treated as a material risk in diligence.

Rule of 40

Rule of 40 score = revenue growth rate (%) + profit margin (%)

40 is the accepted pass line. Brad Feld, who published the rule in 2015, framed it as applying from roughly $1M of ARR upward; below that scale, growth rates swing too wildly for the sum to mean much.

Runway

runway (months) = cash on hand / net monthly burn

Most investors expect 18 to 24 months after a round. Below 6 months you are raising from a weak position.

SaaS magic number

magic number = (this quarter's revenue − last quarter's revenue) × 4 / last quarter's S&M spend

Lars Leckie, who coined the metric, drew the lines that are still used: above 0.75, keep investing in the go-to-market; below 0.5, fix the model before spending more; in between, look deeper before deciding.

SaaS quick ratio

quick ratio = (new MRR + expansion MRR) / (churned MRR + contraction MRR)

Mamoon Hamid, who introduced the metric in 2015, set 4 as the bar for a healthy early-stage SaaS company. Below 2, growth is a treadmill: most of what sales wins, churn takes back.

These are conventions, not guarantees. They come from the sources named in each entry — investor rules of thumb, published frameworks and widely used diligence thresholds — and they describe what the market treats as normal, not what your company must be. Citing this page: each range above has a stable URL at its definition page, which states the formula and the source.

Know where you stand, live

Plainhub computes runway, burn, MRR and the rest from money you record in plain words, so comparing your numbers with these ranges takes a glance, not a spreadsheet session.