Health calculator
Lean Body Mass Calculator
Estimate lean body mass from height, weight, and sex using the Boer formula.
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.
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?+
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?+
Estimate lean body mass from height, weight, and sex using the Boer formula.
How accurate is the Lean Body Mass Calculator?+
Lean Body Mass Calculator applies the formula and assumptions shown on this page. Results may be rounded for readability, so verify changing rates, thresholds, medical guidance, or legal rules with the cited source or a qualified professional.
What should I check before using the Lean Body Mass Calculator result?+
Check that the units, dates, rates, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.
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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