Health Calculator

Body Fat Calculator

Calculate your body fat percentage using proven military and fitness industry methods

Body Measurements

Understanding Body Fat Percentage

Learn about different measurement methods and what your results mean

Measurement Methods

US Navy Method

Uses height, neck, and waist measurements. Most accurate for general population.

US Army Method

Similar to Navy method but with different calculations. Good for military standards.

YMCA Method

Includes additional measurements like wrist and forearm for more precision.

Body Fat Categories

Essential Fat:2-5% (M), 10-13% (F)
Athletes:6-13% (M), 14-20% (F)
Fitness:14-17% (M), 21-24% (F)
Average:18-24% (M), 25-31% (F)
Obese:25%+ (M), 32%+ (F)

Measurement Tips

For Accurate Results
  • • Measure in the morning before eating
  • • Use a flexible measuring tape
  • • Keep tape snug but not tight
  • • Measure at the narrowest point
Important Notes
  • • Results are estimates, not exact measurements
  • • DEXA scans provide more accurate results
  • • Body fat varies throughout the day
  • • Consult professionals for medical advice