How does the Body Fat Calculator work?

Estimate body fat percentage from BMI, age, and sex. The result is an estimate based on the values entered.

Is this calculator medical advice?

No. This calculator is for general education and should not replace advice from a qualified health professional.

Body Composition

Estimate body fat percentage from BMI, age, and sex.

Weight (kg)

Height (cm)

Age

Sex

Body Fat -

BMI -

Category -

Formula

Body fat % = 1.2 * BMI + 0.23 * age - sex adjustment - 5.4

These calculators provide estimates for general education and are not a substitute for professional medical advice.

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