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Body Fat Percentage Calculator

Health
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Estimates body fat percentage using the US Navy Circumference Method. This method requires height, waist circumference, and neck circumference for men, and height, waist circumference, neck circumference, and hip circumference for women.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Gender, Height, Waist Circumference, Neck Circumference, and Hip Circumference (Females only) in the units shown.

Step 2

Read Body Fat Percentage in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Male Athlete

Gender: Male; Height: 72 inches; Waist Circumference: 32 inches; Neck Circumference: 16 inches; Hip Circumference (Females only): 40 inches

Body Fat Percentage: 4.228728421 %

Male Average

Gender: Male; Height: 70 inches; Waist Circumference: 36 inches; Neck Circumference: 15 inches; Hip Circumference (Females only): 42 inches

Body Fat Percentage: 14.6410166 %

Female Athlete

Gender: Female; Height: 66 inches; Waist Circumference: 28 inches; Neck Circumference: 13 inches; Hip Circumference (Females only): 36 inches

Body Fat Percentage: -0.07826401417 %

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Important

Use the result as an estimate and confirm any medical decisions with a qualified professional.