Body Fat Percentage Calculator
Estimate your body fat percentage using proven measurement methods.
Required for accurate body fat calculation
Measure around neck at narrowest point
Measure at navel level (belly button)
Height
Weight
Currently using Imperial units
Calculate Your Body Fat Percentage
Enter your measurements to estimate your body fat percentage using the U.S. Navy method.
Understanding Body Fat Percentage
What's Measured
- U.S. Navy Method: Uses height, weight, and circumference measurements to estimate body fat
- Neck Measurement: Measure around the narrowest point of your neck
- Waist Measurement: Measure at navel level (belly button), not at narrowest point
- Hip Measurement (Females): Measure at the widest point of hips and buttocks
- BMI Method: Alternative estimate based on BMI, age, and gender (less accurate)
Understanding Results
- Body fat percentage varies by age and gender - what's healthy changes over time
- Athletes typically have lower body fat than the general population
- Essential fat is the minimum needed for basic health functions
- Ideal body fat ranges are based on Jackson & Pollock research
- Use multiple measurement methods over time to track trends accurately
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