Lean Body Mass Formula Comparison
Boer, Hume and James computed together — see the spread, and which one your dosing software likely uses.
At average builds the three agree within ~2 kg, but raise the weight input and James peels away from the others as its quadratic term bites — try 120 kg to see it. Contrast-media dosing standards reference Boer; older pharmacy texts may embed James, which is why the comparison matters clinically.
Formula
Reference aid for healthcare professionals only. Every result must be independently verified before clinical use. Never use this tool for self-medication or to replace clinical judgement.
Boer, Hume and James computed together — see the spread, and which one your dosing software likely uses. The Lean Body Mass Formula Comparison is a free, private lbm comparison tool — every result computes instantly in your browser with no sign-up and no data upload.
About Lean Body Mass Formula Comparison
At average builds the three agree within ~2 kg, but raise the weight input and James peels away from the others as its quadratic term bites — try 120 kg to see it. It applies Three published LBM regressions, identical inputs. Use the Lean Body Mass Formula Comparison to get an instant, clearly-explained result with the working shown step by step — free, private and with the source method cited.
How to use Lean Body Mass Formula Comparison
- 1Enter your details in the Lean Body Mass Formula Comparison input fields above.
- 2The result updates instantly with the working and reference bands shown.
- 3Adjust any value to explore how it changes the outcome — it's free and unlimited.
Why use Lean Body Mass Formula Comparison?
- ✓Instant lbm comparison result that recomputes as you type — no waiting, no page reloads
- ✓100% client-side: your health data never leaves your browser
- ✓Shows the actual formula and your numbers substituted in, so you can see exactly how the result is reached
- ✓Based on published, citable sources (Green B & Duffull S, Clin Pharmacol Ther 2002 — LBM equations at high body weight)
- ✓Free forever with no sign-up, account or app install
Frequently asked questions
How does the Lean Body Mass Formula Comparison work?+
At average builds the three agree within ~2 kg, but raise the weight input and James peels away from the others as its quadratic term bites — try 120 kg to see it. The calculation uses the formula: Three published LBM regressions, identical inputs. Everything runs instantly in your browser as you type — your inputs are never uploaded.
Is the Lean Body Mass Formula Comparison accurate, and what is it based on?+
The method is traceable to authoritative sources: Green B & Duffull S, Clin Pharmacol Ther 2002 — LBM equations at high body weight. Results are estimates — individual variation always applies, so treat the output as a well-grounded starting point.
Is the Lean Body Mass Formula Comparison free and private?+
Yes. It's completely free with no sign-up, and all computation happens locally in your browser, so none of your health data ever leaves your device.
Can I use this for medical decisions?+
This is a reference aid for healthcare professionals and must be independently verified. It is not for self-diagnosis or self-medication.
What can I use the Lean Body Mass Formula Comparison for?+
It's commonly used for lbm comparison, lean mass formulas, boer vs hume vs james. Boer, Hume and James computed together — see the spread, and which one your dosing software likely uses.
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