Body Fat Calculator

Body fat percentage is a better measure of fitness than weight alone. This tool estimates it from simple measurements.

SexHeight (cm)Neck (cm)Waist (cm)

Body fat16.9%

Estimates for educational purposes only and not medical advice. Consult a professional for personal guidance.

How it works

We use the U.S. Navy circumference method based on your height, neck, waist (and hip for women).

Roughly 10–20% for men and 18–28% for women is considered healthy, varying by age.

Body fat percentage is a better measure of fitness than weight alone. This tool estimates it from simple measurements.

SexHeight (cm)Neck (cm)Waist (cm)

Body fat16.9%

Estimates for educational purposes only and not medical advice. Consult a professional for personal guidance.

We use the U.S. Navy circumference method based on your height, neck, waist (and hip for women).

Roughly 10–20% for men and 18–28% for women is considered healthy, varying by age.