Health & Fitness Calculators
Army Body Fat Calculator
Estimate body fat with the Army tape method.
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About the Army Body Fat Calculator
The US Army estimates body fat with a simple tape test based on body circumferences. Enter your sex, height, neck, and waist (plus hip for women) and the calculator returns your body fat percentage using the official Army formula. It's a quick, equipment-light way to check body composition against military standards or just track your progress.
How to use the Army Body Fat Calculator
- 01Enter your sex, height, neck, waist (and hip for women).
- 02Read the result instantly — it recalculates as you type.
- 03Adjust the numbers to model different scenarios.
Frequently asked questions
How does the Army measure body fat?
With a tape measure of the neck and waist (and hip for women) plugged into a logarithmic formula — no calipers or scales needed.
Is the tape test accurate?
It's a reasonable estimate for most people but can differ from DEXA or hydrostatic testing. Measure carefully for the best result.