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Free Tool Arena

Career & Growth · Free tool

Rule of 40 Calculator

Growth rate + profit margin = Rule of 40. 40+ passes, 60+ is elite SaaS.

Updated April 2026
Rule of 40 score
50.0
Growth contribution
35.0
Margin contribution
15.0
Passes Rule of 40 (pass)

Healthy balance of growth and profitability.

Quadrant

Low-growth unprofitable
(worst)
High-growth unprofitable
Low-growth profitable
High-growth profitable
(best)

Current: High-growth profitable (best)

Benchmarks
  • 40+ — healthy SaaS (passes the rule)
  • 60+ — elite (top decile public SaaS)
  • < 40 — either growth or margin must improve
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What it does

Growth % + margin % — does it clear 40? The single VC sanity check for SaaS health. 4-quadrant chart shows where you land.

Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.

Embed this tool on your siteShow snippet

Paste this snippet into any page. Loads on-demand (lazy), no tracking scripts, and sized to most dashboards. Replace the height to fit your layout.

<iframe src="https://freetoolarena.com/embed/rule-of-40-calculator" width="100%" height="720" frameborder="0" loading="lazy" title="Rule of 40 Calculator" style="border:1px solid #e2e8f0;border-radius:12px;max-width:720px;"></iframe>
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How to use it

  1. Enter growth rate.
  2. Enter margin %.
  3. Read Rule 40 score.

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