Body Fat Calculator

Estimate body fat percentage using the US Navy method

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Body Fat Calculator (US Navy Method)

Height (cm)

Neck (cm)

Waist (cm)

Hip (cm) — for females

Weight (kg) — for fat mass calculation

Body Fat Percentage

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Fat Mass

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Lean Mass

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Males: BF% = 86.010 * log10(waist - neck) - 70.041 * log10(height) + 36.76

Females: BF% = 163.205 * log10(waist + hip - neck) - 97.684 * log10(height) - 78.387

Measurements should be in cm. Measure at the narrowest points for neck and waist.