Body Fat Calculator
Estimate body fat percentage with the US Navy tape-measure method using height, neck, waist and hip measurements.
Enter your values and press Calculate.
How to use the Body Fat calculator
Measure with a flexible tape, snug but not compressing the skin. Men measure the waist at the navel; women at the narrowest point, with hips at the widest point. Expect an error of a few percentage points compared with DEXA scans.
Formula
US Navy formula (inches). 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.
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