Body Fat Percentage Calculator
Calculate your body fat percentage using the US Navy method. Get insights into your body composition with waist, neck, and hip measurements.
Choose Unit System
Personal Information
Body Measurements
Measurement Instructions
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Waist: Measure around the narrowest part of your waist, usually just above the belly button
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Neck: Measure around your neck just below the Adam's apple (larynx)
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Take measurements without clothes for accuracy, or wear minimal fitted clothing
Your Body Fat Result
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Enter your measurements to calculate body fat percentage
Body Fat Categories
Male Standards:
Essential Fat2-5%
Athletes6-13%
Fitness14-17%
Average18-24%
Obese25%+
Understanding Body Fat Percentage
US Navy Method
This calculator uses the US Navy body fat formula, which estimates body fat percentage based on body circumference measurements. It's one of the most widely used and accessible methods for body fat estimation.
The formula differs between men and women, accounting for physiological differences in fat distribution patterns.
Important Notes
- •Results are estimates and may vary from other methods
- •Accuracy depends on proper measurement technique
- •Individual body composition varies greatly
- •Consult healthcare professionals for medical advice