Calculateur de Lean Body Mass
Estimate lean body mass using the Boer formula.
Formula and method
This calculator computes Lean body mass directly in your browser without sending data to an external server.
Mathematical formula
- Lean body mass:
sex===1 ? (0.407 × weight+0.267 × height-19.2) : (0.252 × weight+0.473 × height-48.3)
Variables and parameters
- Weight (weight): default value 70 kg.
- Height (height): default value 170 cm.
- Sex (1=male, 0=female) (sex): default value 1.
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 Lean Body Mass Calculator use?
Lean Body Mass Calculator evaluates outputs such as <strong>Lean body mass</strong> based on inputs including Weight, Height, Sex (1=male, 0=female). Check the Mathematical Method section for the explicit formula.
What should I keep in mind when interpreting Lean Body Mass 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 Lean Body Mass 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 Lean Body Mass 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 Lean Body Mass Calculator free to use?
Yes. Lean Body Mass Calculator is completely free, has no usage limit, and does not require an account, email, or API key.
Does Lean Body Mass Calculator store or upload my data?
No. Lean Body Mass Calculator calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.
How accurate is Lean Body Mass Calculator?
Lean Body Mass 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 Lean Body Mass Calculator on my own website?
Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of Lean Body Mass Calculator to your own blog post or page.