Calculateur de Body Surface Area

Estimate body surface area using the Mosteller formula.

Formula and method

This calculator computes Body surface area directly in your browser without sending data to an external server.

Mathematical formula

  • Body surface area: √(height × weight ÷ 3600)

Variables and parameters

  • Height (height): default value 178 cm.
  • Weight (weight): default value 80 kg.

Some formulas are undefined for certain input combinations (such as division by zero or logarithms of non-positive numbers). In those cases the live tool displays an alert instead of NaN.

Embed this tool

Paste this snippet into your own site or blog post to embed a live, working copy of this tool. It links back to the full page on SpecWhale.

Frequently asked questions

What equation and variables does Body Surface Area Calculator use?

Body Surface Area Calculator evaluates outputs such as <strong>Body surface area</strong> based on inputs including Height, Weight. Check the Mathematical Method section for the explicit formula.

What should I keep in mind when interpreting Body Surface Area Calculator metrics?

Health and body calculators provide general estimates derived from standard population equations. Individual physiological differences (such as muscle mass or hydration) can alter personal results.

What happens if I enter invalid or zero values into Body Surface Area Calculator?

If an input combination is mathematically undefined (such as division by zero or negative square roots), SpecWhale alerts you gracefully rather than returning invalid NaN outputs.

Are my calculations in Body Surface Area Calculator saved or private?

All calculations are 100% private and run locally in your Web browser. Your numbers are never uploaded to any server, but can be saved locally to your device or exported as CSV/JSON.

Is Body Surface Area Calculator free to use?

Yes. Body Surface Area Calculator is completely free, has no usage limit, and does not require an account, email, or API key.

Does Body Surface Area Calculator store or upload my data?

No. Body Surface Area Calculator calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.

How accurate is Body Surface Area Calculator?

Body Surface Area Calculator uses a standard formula (see the Method section above for the exact expression). For high-stakes financial, medical, or legal decisions, confirm the result with a professional or an authoritative source before relying on it.

Can I embed Body Surface Area Calculator on my own website?

Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of Body Surface Area Calculator to your own blog post or page.