Body Fat Percentage Calculator

Calculate your body fat percentage using the U.S. Navy method. Accurate body fat estimation using neck, waist, and hip measurements.

Body Fat Percentage Calculator

Gender:

Unit System:

Age (years):

Weight (kg):

Height (cm):

Neck circumference (cm):

Waist circumference (cm):

About This Calculator

This body fat calculator uses the U.S. Navy circumference method to estimate body fat percentage. This method is considered one of the most accurate ways to measure body fat without specialized equipment.

The calculator requires measurements of neck, waist, and hip (for women) circumferences along with height, weight, and age to provide an accurate body fat percentage estimate.

How to Measure:

Neck: Measure around the neck just below the Adam's apple
Waist: Measure around the natural waist (smallest part)
Hip (Women): Measure around the widest part of the hips

Body Fat Categories:

Essential Fat: 2-5% (men), 10-13% (women)
Athletes: 6-13% (men), 14-20% (women)
Fitness: 14-17% (men), 21-24% (women)
Average: 18-24% (men), 25-31% (women)
Obese: 25%+ (men), 32%+ (women)