Army Body Fat Calculator

The ACFT Body Fat Calculator is a tool that helps to determine if a soldier or applicant meets the U.S. Army's body composition standards or not. This tool is updated under Army Directive 2023-11. The ACFT height and weight calculator is based on a circumference based tape method and is aligned with the Army Body Composition Program (ABCP) to ensure physical readiness across the force.

AgeMale Max %Female Max %
17–2020%30%
21–2722%32%
28–3924%34%
40 and over26%36%

Following are the guidelines to calculate body fat, using the U.S. Army methods for ACFT:

  1. Weight (wt) – Use a calibrated scale to calculate your exact weight.
  2. Height (ht) – Measure your height in feet, without shoes.
  3. Waist – Measure the circumference of your waist at the belly button.
  4. Neck – Measure the circumference of your neck just below the Adam’s apple.
Fat calculator
Infographics: Army Body Fat Calculator

Formulas used for calculation

The Army Body Fat test is conducted on the base of following formulas:

For Men: 86.01 x log10(waist - neck) - 70.041 x log10(height) + 36.76

For Women: 163.205 x log10(waist + hip - neck) - 97.684 x log10(height) - 78.387

If you don’t meet the standards, follow the given tips for reducing your body fat;

  • Adjust your caloric intake.
  • Improve your protein, carbs and fat balance.
  • Start regular exercise.

Frequently Asked Questions

Sources:

  • Army Directive 2023-11
  • Army Regulation 600-9
  • Army Regulation 40-501
  • U.S. Army Research Institute of Environmental Medicine (2023)