Body Fat Calculator: Estimate Body Fat % Using US Navy Method

Body fat percentage is a better indicator of fitness than weight or BMI alone. The US Navy method uses simple circumference measurements (neck, waist, and hips for women) to estimate body fat without expensive equipment.

How to Use Body Fat Calculator

• 1.

  Enter your height

• 2.

  Measure and enter neck circumference

• 3.

  Measure and enter waist circumference (at navel)

• 4.

  For women: also enter hip circumference

• 5.

  View your estimated body fat percentage

Key Features

• Uses the validated US Navy formula
• Separate calculations for men and women
• Shows body fat category (essential/athletic/fitness/average/obese)
• No special equipment needed

When to Use This Tool

• •

  Tracking body composition during fitness programs

• •

  Getting a more accurate picture than BMI alone

• •

  Setting realistic body recomposition goals

• •

  Monitoring health without a DEXA scan

Frequently Asked Questions