Body Fat Calculator

About Body Fat Calculator

This calculator uses the U.S. Navy Method, one of the most accurate ways to estimate body fat percentage using simple body measurements.

Formulas Used

Male: 86.010 × log10(waist − neck) − 70.041 × log10(height) + 36.76

Female: 163.205 × log10(waist + hip − neck) − 97.684 × log10(height) − 78.387

Why This Calculator?

• More accurate than BMI
• Supports US & Metric units
• Shows fat & lean mass
• Used by fitness professionals