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Army Body Fat Calculator

Check if you meet Department of Defense (DoD) body fat standards based on neck and waist measurements.

Gender

Estimated Body Fat

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Method

How this calculator works

Male: 86.010 × log10(Waist - Neck) - 70.041 × log10(Height) + 36.76

  1. Select your gender.
  2. Enter your height in inches.
  3. Enter your neck circumference in inches (measured just below the larynx).
  4. Enter your waist circumference in inches (measured at the navel).
  5. For females, also enter hip circumference (measured at the widest part of the buttocks).

Examples

Worked examples

Real numbers, end-to-end results.

Male, Neck: 15in, Waist: 34in, Height: 70in

Body Fat: 16.5%

Meets DoD standards for all ages.

Use cases

When to use it

  • Check if you meet US military body fat standards.
  • Use an alternative circumference-based body fat estimation method.

Disclaimer: This calculator provides estimates for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for decisions affecting your health. Results depend on the accuracy of inputs provided.

FAQ

Frequently asked questions

What is the Army Body Fat test?
The US Army uses a tape test measuring specific circumferences to estimate body fat percentage if a soldier exceeds screening table weight limits.
Why do females need a hip measurement?
Due to biological differences in fat distribution, the female formula incorporates hip circumference in addition to neck and waist.

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