Body Fat Percentage Calculator (US Navy Method)
Estimate your body fat percentage, lean body mass, and fat mass using the standardized US Navy circumference method.
Calculate body fat percentage accurately using simple tape measurements of your neck, waist, and hips.
How Body Fat Calculator Works & Scientific Formula
Our online Body Fat Calculator uses clinically validated physiological formulas for high accuracy. 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
Scientific Formula & Calculation Logic
This calculator executes clinical formulas recognized in medical and physiological literature:
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
Reference Ranges & Health Categories
Frequently Asked Questions (FAQs)
When tape measurements are taken consistently at the narrowest/widest anatomical landmarks, it is accurate to within 1-3% of DEXA scans.
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