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Body Fat Calculator

Estimate your body fat percentage using the US Navy body circumference method.

Body Dimensions

Sex

Units

Age (years)

Weight (lbs)

Height (in)

Neck Circum. (in)

Waist Circum. (in)

Live

Body Fat Percentage

Fat Mass0 lbs

Lean Body Mass0 lbs

Fitness ClassificationAverage

This is an estimate for informational purposes only and is not medical advice. Consult a healthcare provider.

Mathematical Model FormulaNavy Body Fat formula using height, neck, waist, and hip circumferences.

Estimate your body fat percentage using standard body measurement guidelines.

Calculate your Body Mass Index (BMI) using metric or imperial units and learn your weight status category.

Find your Total Daily Energy Expenditure (TDEE) and calculate calories needed for weight loss, maintenance, or gain.