Army Body Fat Calculator
Calculate body fat percentage using the U.S. Army formula based on height, neck, waist, and hip measurements.
How to Use the Army Body Fat Calculator
- Select your gender (Male or Female).
- Enter your height and the circumferences of your neck, waist, and hips in centimeters.
- Click Calculate to see your body fat percentage.
- Review your result and the fitness category it corresponds to.
Quick Reference
| From | To |
|---|---|
| Men (healthy) | 15–20% body fat |
| Men (athletes) | 6–13% body fat |
| Women (healthy) | 20–25% body fat |
| Women (athletes) | 14–20% body fat |
| Essential fat (M) | 2–5% |
| Essential fat (F) | 10–13% |
Use Cases
- •Monitoring personal health metrics as part of a wellness routine.
- •Setting evidence-based goals for diet, exercise, or weight management.
- •Preparing for a medical appointment with baseline body measurements.
- •Tracking changes in body composition over time.
Formula
Male: BF% = 86.010×log10(waist−neck) − 70.041×log10(height) + 36.76. Female: BF% = 163.205×log10(waist+hips−neck) − 97.684×log10(height) − 78.387.
Frequently Asked Questions
How to use?
Select your gender, enter your height and circumference measurements (neck, waist, hips), then click Calculate.
Calculation accuracy?
Calculations are performed with high precision.
Is it free?
Yes, all calculators are completely free.