Health calculator
Lean Body Mass Calculator
Estimate lean body mass from height, weight, and sex using the Boer formula.
FormulaMale LBM = 0.407W + 0.267H - 19.2; Female LBM = 0.252W + 0.473H - 48.3
Formula
Boer lean body mass estimate
Lean body mass formulas are estimates and can differ from body-composition measurements.
Male LBM = 0.407W + 0.267H - 19.2; Female LBM = 0.252W + 0.473H - 48.3
The formula uses weight in kg and height in cm.
FAQ6 common questions for this calculator.
FAQs
What is lean body mass?+
Lean body mass is body weight minus estimated fat mass.
Does this measure body fat directly?+
No. It estimates lean mass from a formula.
How does the Lean Body Mass Calculator calculate the result?+
For the Lean Body Mass Calculator, it uses the Boer lean body mass estimate: Male LBM = 0.407W + 0.267H - 19.2; Female LBM = 0.252W + 0.473H - 48.3. The formula uses weight in kg and height in cm.
What information do I need to use the Lean Body Mass Calculator?+
For the Lean Body Mass Calculator, enter height, weight, and sex. Keep the units consistent with the calculator fields and compare your setup with the worked example on the page.
How accurate is the Lean Body Mass Calculator?+
Lean Body Mass Calculator is only as accurate as the height, weight, and sex entered. It applies the Boer lean body mass estimate shown on this page, then rounds for readability. Treat the output as screening guidance rather than a diagnosis.
What should I check before using the Lean Body Mass Calculator result?+
For the Lean Body Mass Calculator, check height, weight, and sex, unit choices, and whether the calculator's assumptions fit the person being assessed. Use the result as screening or planning context, not as a diagnosis.
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Health guide
How to use the Lean Body Mass Calculator
Estimate lean body mass from height, weight, and sex using the Boer formula. The page also explains the boer lean body mass estimate and shows a practical example: The formula uses weight in kg and height in cm.
- 1
Enter your details
Enter height, weight, and sex using the Boer formula, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the boer lean body mass estimate: Male LBM = 0.407W + 0.267H - 19.2; Female LBM = 0.252W + 0.473H - 48.3.
- 3
Compare scenarios
Change one or more inputs to see how they affect the lean Body Mass Calculator result before you use the estimate.
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