Estimate body fat using the U.S. Army tape test method (AR 600-9).
This calculator uses the official U.S. Army body fat estimation method defined in AR 600-9. It applies circumference measurements and logarithmic formulas to estimate body fat percentage and checks the result against age- and gender-specific Army standards.
Official AR 600-9 formula
The same method used by the U.S. Army for body composition screening.
Pass/fail indicator
Instantly see if you meet Army body fat standards for your age group.
Age-group maximums
Standards adjust for 17-20, 21-27, 28-39, and 40+ age brackets.
Inches & cm support
Enter measurements in your preferred units.