Body Fat Percentage Estimator
Estimate your body fat percentage using the U.S. Navy method with neck, waist, and hip measurements.
U.S. Navy Body Fat Method
The U.S. Navy method estimates body fat using circumference measurements. Males need neck and waist measurements; females also need hip measurement. While not as accurate as DEXA scans, it provides a reasonable estimate for tracking progress.
About This Tool
The Body Fat Percentage Estimator calculates your body fat percentage using the U.S. Navy method, which is ideal for fitness enthusiasts and health-conscious individuals.
Enter your neck, waist, and hip measurements to get a precise estimate of your body fat percentage. The tool outputs your overall body fat percentage and lean mass.
Use this calculator to track progress in weight loss or muscle gain programs. It runs entirely within your browser with no data sent, ensuring complete privacy.