Body Composition Report (All-in-One)
BMI, estimated body fat, lean mass, body water and BSA from one set of inputs — five validated formulas, one view.
Every line is an estimate from a different validated regression — they won't perfectly agree with each other or with a DXA scan, and that's normal. The report is most useful as a consistent baseline: save your numbers and re-run under identical conditions to see direction of change.
Formula
For general information only — not medical advice, a diagnosis or a treatment plan. Consult a qualified healthcare professional before making health, diet, medication or exercise decisions.
BMI, estimated body fat, lean mass, body water and BSA from one set of inputs — five validated formulas, one view. The Body Composition Report (All-in-One) is a free, private body composition report tool — every result computes instantly in your browser with no sign-up and no data upload.
About Body Composition Report (All-in-One)
Every line is an estimate from a different validated regression — they won't perfectly agree with each other or with a DXA scan, and that's normal. It applies Six published equations from four inputs (each cited below). Use the Body Composition Report (All-in-One) 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 Body Composition Report (All-in-One)
- 1Enter your details in the Body Composition Report (All-in-One) 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 Body Composition Report (All-in-One)?
- ✓Instant body composition report 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 (WHO TRS 854; Deurenberg 1991; Boer 1984; Watson 1980; Mosteller 1987; Mifflin 1990)
- ✓Free forever with no sign-up, account or app install
Frequently asked questions
How does the Body Composition Report (All-in-One) work?+
Every line is an estimate from a different validated regression — they won't perfectly agree with each other or with a DXA scan, and that's normal. The calculation uses the formula: Six published equations from four inputs (each cited below). Everything runs instantly in your browser as you type — your inputs are never uploaded.
Is the Body Composition Report (All-in-One) accurate, and what is it based on?+
The method is traceable to authoritative sources: WHO TRS 854; Deurenberg 1991; Boer 1984; Watson 1980; Mosteller 1987; Mifflin 1990. Results are estimates — individual variation always applies, so treat the output as a well-grounded starting point.
Is the Body Composition Report (All-in-One) 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 tool is for general information only and is not medical advice. Always consult a qualified healthcare professional before making health decisions.
What can I use the Body Composition Report (All-in-One) for?+
It's commonly used for body composition report, full body analysis, bmi body fat lean mass. BMI, estimated body fat, lean mass, body water and BSA from one set of inputs — five validated formulas, one view.
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