📏 Body Fat Percentage Calculator

Estimate body fat percentage using the US Navy method.

Uses the US Navy circumference method — an estimate, not as accurate as DEXA or hydrostatic testing. Not medical advice.

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📘 How to Use This Tool

Estimate your body fat percentage using the U.S. Navy body measurement method.

  1. Enter your waist circumference in cm.
  2. Enter your neck circumference in cm.
  3. If you are female, also enter your hip circumference in cm.
  4. Click Calculate to see your estimated body fat percentage.

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