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Body Fat Calculator

US Navy circumference measurement method
Body Composition
Estimated Body Fat
16.8%
Fitness Category (Healthy)
Total Fat Mass: 12.6 kg
Lean Muscle Mass: 62.4 kg
BMI Body Fat Estimate: 17.2%

Frequently Asked Questions

The US Navy circumference method uses neck, waist, height, and hip measurements (for women) to calculate body density and estimate body fat percentage without expensive DEXA scans.

Men: Athletes (6-13%), Fitness (14-17%), Average (18-24%), Obese (25%+).
Women: Athletes (14-20%), Fitness (21-24%), Average (25-31%), Obese (32%+).

Neck: Measure just below the larynx (Adam's apple).
Waist (Men): Measure at navel level.
Waist (Women): Measure at narrowest point.
Hips (Women): Measure at widest circumference of buttocks.