Body Fat Navy Method Calculator
Navy Method (Male)
US Navy body fat estimation for men using waist, neck, and height
cm/in
cm/in
cm/in
kg/lbs
Navy Method (Female)
US Navy body fat estimation for women using waist, hip, neck, and height
cm/in
cm/in
cm/in
cm/in
kg/lbs
Formula
Men: BF% = 495/(1.0324 - 0.19077*log10(waist-neck) + 0.15456*log10(height)) - 450 | Women: BF% = 495/(1.29579 - 0.35004*log10(waist+hip-neck) + 0.22100*log10(height)) - 450
Frequently Asked Questions
How accurate is the US Navy body fat method?
The US Navy method is accurate to within 1-3% for most people. It's one of the most reliable non-laboratory circumference methods and is used by the US military for fitness assessments.
Where should I measure for the Navy method?
Men: waist at navel level, neck at narrowest point. Women: waist at narrowest point, hip at widest point, neck at narrowest point. All measurements should be taken on bare skin, standing relaxed.
You may also need
H
BMI Calculator
Free Body Mass Index (BMI) calculator. Calculate your BMI using metric or imperial units. Understand your BMI category and what it means for your health.
HealthH
Body Fat Calculator
Free body fat calculator. Estimate your body fat percentage using the US Navy method with waist, neck, and hip measurements.
HealthH
Ideal Weight Calculator
Free ideal weight calculator. Find your ideal body weight using multiple medical formulas (Devine, Robinson, Miller, Hamwi).
Health