Body Fat Calculator (US Navy Method)
Calculate your body fat percentage using the US Navy method. This method is widely used and provides accurate estimates for men and women.
Result calculated using the US Navy body fat formula.
What Is Body Fat Percentage?
Body fat percentage represents the proportion of fat mass in your body compared to total body weight. Unlike BMI, body fat percentage gives a more accurate picture of body composition and health risk.
What Is the US Navy Body Fat Method?
The US Navy method is a widely used formula that estimates body fat percentage using simple body measurements such as height, neck, waist, and hip (for women). It is commonly used by military organizations and fitness professionals.
US Navy Formula
- Men: 86.010 × log10(waist − neck) − 70.041 × log10(height) + 36.76
- Women: 163.205 × log10(waist + hip − neck) − 97.684 × log10(height) − 78.387
Why Use a Body Fat Calculator?
- Better health assessment than BMI
- Track fat loss progress
- Set realistic fitness goals
- Understand body composition
Healthy Body Fat Ranges
- Men: 10–20% (fitness), 20–25% (average)
- Women: 18–28% (fitness), 28–32% (average)
Accuracy & Disclaimer
This calculator provides an estimate based on standard formulas. Actual body fat percentage may vary depending on hydration, measurement accuracy, and individual differences.