Body Fat Calculator

    Estimate your body fat percentage

    cm
    cm
    cm
    cm

    Formula

    Males: 86.010×log10(waist-neck) - 70.041×log10(height) + 36.76

    U.S. Navy circumference method. Measurements in inches for formula.

    Examples

    Male: 85cm waist, 38cm neck, 175cm

    ~18-20% body fat, Average category.

    Frequently Asked Questions

    About Body Fat

    Estimate body fat percentage using the U.S. Navy circumference method.