Lean Body Mass Calculator
Estimate your lean body mass and fat mass (Boer formula).
Result
Lean body mass (kg)
56.0
Fat mass (kg)
14.0
How it works
Boer formula (differs by sex)
Lean body mass is everything except fat (muscle, bone, water, organs). The Boer formula estimates it from weight and height; fat mass is the rest. Example: 70 kg / 175 cm man ≈ 56 kg lean.
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Frequently asked questions
What is lean body mass?
Your total weight minus body fat — muscle, bone, water and organs.
Is this exact?
It's an estimate from a formula; a body-composition scan is more precise.
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