Army Resilience Body Fat Calculator

Army Body Fat Formula:

For Males: 86.010 × log10(abdomen - neck) - 70.041 × log10(height) + 36.76
For Females: 163.205 × log10(waist + hip - neck) - 97.684 × log10(height) - 78.387

Gender:

Weight:

lbs

Height:

inches

Neck Circumference:

inches

Waist Circumference:

inches

Hip Circumference:

inches

Body Fat Percentage:

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1. What is the Army Resilience Body Fat Calculator?

Definition: This calculator estimates body fat percentage using the U.S. Army's formula based on circumference measurements.

Purpose: It helps military personnel and civilians assess body composition according to Army standards.

2. How Does the Calculator Work?

The calculator uses different formulas for males and females:

Males: 86.010 × log10(abdomen - neck) - 70.041 × log10(height) + 36.76
Females: 163.205 × log10(waist + hip - neck) - 97.684 × log10(height) - 78.387

Required Measurements:

Height (inches)
Weight (pounds)
Neck circumference (inches)
Waist circumference (inches)
Hip circumference (inches, females only)

3. Importance of Body Fat Measurement

Details: The U.S. Army uses body fat percentage as part of its physical fitness standards. Meeting these standards is required for service members.

4. Using the Calculator

Tips:

Measure circumferences at the correct anatomical locations
Take measurements in the morning before eating
Use a flexible, non-stretchable measuring tape
Measure to the nearest 0.1 inch

5. Frequently Asked Questions (FAQ)

Q1: What are the Army's maximum allowable body fat percentages?
A: Standards vary by age and gender (typically 18-26% for males, 26-34% for females).

Q2: How accurate is this method?
A: It provides a reasonable estimate but may vary ±3% from more precise methods like DEXA scans.

Q3: Where exactly should measurements be taken?
A: Neck - narrowest point; Waist - at navel level; Hip - maximum protrusion (females only).

Q4: Can civilians use this calculator?
A: Yes, anyone can use it to estimate body fat percentage using the Army's method.

Q5: How often should measurements be taken?
A: For fitness tracking, monthly measurements are sufficient to see meaningful changes.