Body Fat Calculator

Calculate body fat percentage using US Navy method

How to Use the Body Fat Calculator

Calculate body fat percentage using the US Navy method with simple measurements.

Instructions

  1. Select your gender
  2. Enter your height in inches
  3. Measure and enter neck circumference
  4. Measure and enter waist circumference
  5. For females: also enter hip circumference
📏 Measurement Tips: Take measurements at the same time of day for consistency. Measure neck at narrowest point, waist at navel level, hips at widest point.