What is an Army Body Fat Calculator?

The Army Body Fat Calculator is a tool used to estimate the body fat percentage of military personnel. It helps determine if individuals meet the body fat standards set by the U.S. Army, which are crucial for maintaining health and fitness requirements. This calculator uses specific body measurements to calculate the percentage of body fat, ensuring soldiers are within the acceptable limits for their age and gender.

Necessary Measurements

To use the Army Body Fat Calculator, the following measurements are required:

1. Height: Measured in inches or centimeters.
2. Neck Circumference: Measured just below the larynx (Adam’s apple).
3. Waist Circumference:
   • For males: Measured at the navel (belly button).
   • For females: Measured at the narrowest point of the waist.
4. Hip Circumference:
   • Only for females: Measured at the widest point of the hips.

Body Fat Formula for Males

The body fat percentage for males is calculated using the following formula:

Body Fat Percentage=86.010×log10​(Waist−Neck)−70.041×log10​(Height)+36.76

Where:

• Waist: Circumference at the navel.
• Neck: Circumference just below the larynx.
• Height: Measured in inches.

Body Fat Formula for Females

The body fat percentage for females is calculated using the following formula:

Body Fat Percentage=163.205×log10​(Waist+Hip−Neck)−97.684×log10​(Height)−78.38

Where:

• Waist: Circumference at the narrowest point.
• Hip: Circumference at the widest point.
• Neck: Circumference just below the larynx.
• Height: Measured in inches.

US Army Body Fat Standards

The U.S. Army has specific body fat standards that vary by age and gender. These standards are used to ensure soldiers maintain a level of fitness suitable for their duties.

Male Body Fat Standards

• 17-20 years: Maximum 20%
• 21-27 years: Maximum 22%
• 28-39 years: Maximum 24%
• 40+ years: Maximum 26%

Female Body Fat Standards

• 17-20 years: Maximum 30%
• 21-27 years: Maximum 32%
• 28-39 years: Maximum 34%
• 40+ years: Maximum 36%