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Body Fat Calculator

Estimate your body fat percentage using the U.S. Navy Method. You'll need a tape measure for your neck, waist, and hips.

Measure below the larynx (Adam's apple)

Measure at navel/belly-button height

See your result here

Enter your body measurements to estimate your body composition accurately.

About Body Fat Percentage

Body fat percentage is a superior metric for tracking fitness compared to weight (BMI), as it distinguishes between fat mass and muscle mass.

This calculator uses the US Navy Method, which is widely considered one of the most accurate ways to estimate body fat without expensive equipment like DEXA scans.

Healthy Body Fat Ranges (ACE)

CategoryWomenMen
Essential Fat10-13%2-5%
Athletes14-20%6-13%
Fitness21-24%14-17%
Average25-31%18-24%
Obese32%+25%+