ACFT Body Fat Calculator (2023)

Calculate your body fat percentage and pass/fail status for the U.S. Army Body Composition Program (effective June 12, 2023). Enter your measurements in inches.

Gender

Age

Height (inches)

Neck (inches)

Waist (inches)

About the ACFT Calculator ' Body Fat Calculation Rules

The ACFT Calculator is designed to help U.S. Army personnel and fitness enthusiasts estimate body fat percentage according to the latest Army Body Composition Program (ABCP) standards, effective June 12, 2023. This tool is especially useful for those preparing for the Army Combat Fitness Test (ACFT) or monitoring compliance with military requirements.

Calculation Rules

For males: % Body Fat = 86.010 × log₁₀(waist - neck) - 70.041 × log₁₀(height) + 36.76
For females: % Body Fat = 163.205 × log₁₀(waist + hip - neck) - 97.684 × log₁₀(height) - 78.387
All measurements are in inches.
Passing limits vary by age and gender, based on official Army tables.

Why This Calculator?

The U.S. Army uses body fat percentage as a key indicator of physical readiness. The acft calculator provides a fast, accurate, and user-friendly way to check compliance with Army standards, reducing manual calculation errors and helping users track their progress over time.

Whether you are a service member, recruiter, or fitness coach, this acft calculator ensures you have the latest tools to meet the Army's body composition requirements.

Maximum Allowable Body Fat Percentage Standards (U.S. Army, 2023)

The following table shows the maximum allowable body fat percentage by age and gender, as used in the acft calculator and the official Army Body Composition Program.

Age	Male (%)	Female (%)
17-20	20	30
21-27	22	32
28-39	24	34
40+	26	36

These standards are enforced during Army assessments and are built into this acft calculator for accurate pass/fail results.