Body composition calculator
Body composition calculator
Turn weight, height, and body-fat percentage into fat mass, lean mass, BMI, FFMI, normalized FFMI, and FMI.
Lean mass
65.6 kg
Fat mass
14.4 kg
BMI
25.25
FFMI
20.7
Normalized FFMI
20.83
FMI
4.54
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What does a body composition calculator return?
BMI only sees total weight. FFMI indexes lean mass by height, while FMI indexes fat mass by height. Seeing both keeps a cut or bulk from collapsing into a single scale-weight number.