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Use CalcNest’s Army Body Fat Calculator to determine your body fat percentage based on the official U.S. Army and military standards. This tool helps military personnel, applicants, and fitness-conscious users track body composition with precision.
The Army Body Fat Calculator is used to estimate body fat percentage using measurements such as height, neck, waist, and hip (for females). It’s based on guidelines established by the U.S. Army Regulation 600-9 (the Army Body Composition Program – ABCP).
Active duty military personnel
Army recruits and applicants
National Guard and Reserves
Fitness trainers and coaches
Anyone tracking body fat for military goals
To use the calculator, you’ll need the following:
Height (in inches or cm)
Neck circumference
Waist circumference
Height
Neck circumference
Waist circumference
Hip circumference
The calculator uses the U.S. Department of Defense formula to compute body fat percentage:
Uses circumference measurements
Accounts for gender-specific fat distribution
Compares results with Army standards by age and gender
Once you enter your data, the calculator will instantly show:
Your body fat percentage
Whether you are within Army regulation limits
Your maximum allowed body fat based on age and gender
| Age Group | Male Max Body Fat | Female Max Body Fat |
|---|---|---|
| 17–20 | 20% | 30% |
| 21–27 | 22% | 32% |
| 28–39 | 24% | 34% |
| 40+ | 26% | 36% |
Note: These standards are regularly reviewed by the Army. Always refer to the latest guidelines if applying.
Based on official Army formulas
Fast and accurate body fat results
Suitable for both men and women
100% free and mobile-friendly
No personal data required
Yes, this calculator uses the formulas from the Army Body Composition Program (ABCP) and follows Regulation 600-9.
No. The Army uses circumference-based body fat measurement, not BMI, to determine eligibility.
Exceeding body fat standards may result in a flag, delayed promotions, or disqualification from enlistment or re-enlistment.
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