Finance

Rule of 40 score

Rule of 40 score: enter Growth pct, Margin pct and get an instant result in your browser. Free, private, no account.

Rule of 40 score applies growth + margin to the values you enter (Growth pct, Margin pct). Use it for quick finance estimates from your own numbers—not for regulated engineering, tax filing, or clinical decisions. Everything runs in your browser; nothing is uploaded to our servers.

How to use

  1. Open Rule of 40 score and read the field labels (Growth pct, Margin pct).
  2. Replace defaults with figures from your spreadsheet, lab sheet, or quote.
  3. Press Calculate and note the output before changing another input.
  4. Bookmark this page if you reuse the same calculation often.

FAQ

Which numbers belong in Rule of 40 score?

Only the on-page labels: Growth pct, Margin pct. The tool does not guess hidden assumptions.

How does Rule of 40 score compute its result?

It evaluates growth + margin. If your source uses different symbols, map them to these fields first.

Can I paste the Rule of 40 score result into Excel or Sheets?

Yes—copy the number and keep your own documentation of inputs for audit trails.

Is Rule of 40 score a substitute for professional finance software?

No. It is a lightweight browser helper for one relationship; use certified tools for compliance work.

Embed this calculator

Paste the snippet on your site or blog — the widget stays responsive inside the iframe.

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