Body Fat Calculator - U.S. Navy Method
U.S. Navy Method Calculation Standard
The U.S. Navy Body Fat formula relies on standardized body tape measurements to estimate body density and body fat percentage:
Formula Specifications:
Male: 495 / (1.0324 - 0.19077 × log10(Waist - Neck) + 0.15456 × log10(Height)) - 450
Female: 495 / (1.29579 - 0.35004 × log10(Waist + Hip - Neck) + 0.22100 × log10(Height)) - 450
Frequently Asked Questions (FAQ)
1. What is a healthy body fat percentage?
For men, a healthy fitness range is generally 14% to 17%, while average ranges from 18% to 24%. For women, a healthy fitness range is 21% to 24%, and average is 25% to 31%.
2. How accurate is the U.S. Navy Body Fat algorithm?
The U.S. Navy method relies on body circumference measurements and height. It is highly accessible and usually falls within a 3-4% margin of error compared to DEXA scans.
3. What is Lean Body Mass?
Lean Body Mass (LBM) is the total weight of your body minus all fat weight. It includes muscles, bones, organs, and body water.
4. How can I use my body fat results for diet planning?
Knowing your body fat percentage allows you to set precise calorie targets using our TDEE Calculator and split your macronutrients with our Macro Calculator.