everyday-health Verified Precision Tool
U.S. Navy Body Fat Calculator
Estimate body fat percentage using U.S. Navy anthropometric waist, neck, and hip measurements.
Mathematical Formula
Navy Male %BF = 495 / (1.0324 - 0.19077*log10(waist - neck) + 0.15456*log10(height)) - 450
Overview & Explanation
The U.S. Navy Body Fat formula provides a practical method to estimate body fat percentage using tape measurements.
How It Works
- Measures waist, neck, and hip circumferences.
- Evaluates logarithmic body density.
- Converts density to body fat percentage.
Practical Applications
- Fitness composition tracking.
- Military readiness evaluation.
Male waist 82 cm, neck 38 cm, height 175 cm
Calculate Navy body fat percentage for a male.
1
Subtract neck from waist
82 - 38
= 44 cm
2
Apply Navy formula
U.S. Navy logarithmic evaluation
= 15.4% Body Fat
Frequently Asked Questions
How accurate is the Navy body fat tape method?
The U.S. Navy method typically aligns within 3% to 4% of DEXA body composition scans.
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