đź“Ź Body Fat Calculator

Measure your body fat percentage using the US Navy method, BMI estimate, or Jackson-Pollock 3-site skinfold method.

Calculate Body Fat

Body Measurement Diagram
Select units for weight and height measurements.
Gender affects body fat calculation methods.
Enter your weight in kilograms.
Enter your height in centimeters.
Enter your age for BMI and skinfold calculations.

US Navy Method (Recommended)

Requires neck & waist (and hip for females). Measure in same units selected above.

Measure at the narrowest point of your neck.
Measure at the narrowest point of your waist.

Jackson–Pollock 3-Site Skinfold (Optional)

Enter skinfolds in mm for selected 3 sites — optional but more accurate if measured by a trained professional.

Chest (men) or Triceps (women).
Abdomen (men) or Suprailiac (women).
Thigh for both genders.
Affiliate: Calipers & Smart Scales

Body Fat and Sleep

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How to Use the Body Fat Calculator

US Navy Method: Requires height, neck, waist, and hip (for females). Measure circumferences accurately for best results.

BMI Estimate: Uses weight, height, age, and gender. Less accurate but requires fewer measurements.

Jackson-Pollock Skinfold: Optional, requires caliper measurements at three sites (Men: Chest, Abdomen, Thigh; Women: Triceps, Suprailiac, Thigh). Best for trained users.

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