Body Fat Calculator

Body fat percentage represents the proportion of your total body weight that consists of fat. Unlike BMI, it attempts to account for body composition.

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This calculator uses an estimate based on BMI, age and sex. More direct methods such as skinfold measurements, bioelectrical impedance and specialised body-composition testing may provide different results.

MenEssential fat: about 2–5%
WomenEssential fat: about 10–13%
BMIUsed as an input for this estimate
Body compositionNot directly measured

This is an estimated body-fat percentage, not a diagnostic measurement. Results can vary substantially between individuals and should not be used alone to make medical decisions.