Army Body Fat Calculator

What Is the Army Body Composition Program?

The Army Body Composition Program, governed by AR 600-9, sets body fat percentage standards for all Active Army, Army Reserve, and Army National Guard personnel. The program uses a one-site tape test formula to estimate body fat percentage as a component of overall readiness assessment.

As of ALARACT 053/2024, the one-site tape measurement uses abdominal circumference (at the navel) and body weight to estimate body fat percentage with separate regression equations for males and females^[1].

How the One-Site Tape Test Formula Works

The Army simplified the tape test from a multi-site measurement (neck + waist for males; neck + waist + hip for females) to a single-site abdominal circumference measurement. The formulas were developed through regression analysis against criterion body composition methods ^[2]:

• Male: BF% = −26.97 − (0.12 × weight in lbs) + (1.99 × abdomen in inches)
• Female: BF% = −9.15 − (0.015 × weight in lbs) + (1.27 × abdomen in inches)

The abdominal circumference should be measured as the average of three readings taken at the level of the navel, with the tape snug but not compressing the skin. This single-site method reduces measurement variability compared to the previous multi-site protocol ^[3].

Body Fat Standards by Age and Sex

AR 600-9 establishes maximum allowable body fat percentages that increase with age, reflecting natural changes in body composition. These standards are separate from the Army Fitness Test (AFT) and are assessed independently.

If you're interested in overall military fitness readiness, you can also check the AFT Calculator for the current Army fitness scoring or the Waist-to-Height Ratio Calculator for a general body proportion reference.

Supplemental Assessment Options

Per AR 600-9, if a Soldier exceeds the tape test standard, supplemental body composition assessments may be available. These include DXA (Dual-Energy X-ray Absorptiometry), InBody 770, and Bod Pod, which are considered more precise than tape-based estimation ^[4].

This calculator uses the tape test formula only. For other body composition estimation methods, see our Jackson-Pollock 3-Site Calculator or the Body Adiposity Index Calculator.

How to Use This Calculator

1. Select your sex (male or female)
2. Enter your age in years
3. Enter your body weight in pounds
4. Enter your abdominal circumference in inches (average of 3 measurements at navel level)
5. Click "Calculate Body Fat Estimate" to see your estimated body fat percentage and pass/fail status

For a broader view of body composition, you can also explore our Ideal Physique Calculator.