Health

Free Army/Navy Body Fat Calculator

Body fat percentage using the U.S. military circumference method.

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Inputs

Result

Estimated body fat

20.1%

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Short answer

Body fat percentage using the U.S. military circumference method.

What is the Army/Navy Body Fat Calculator?

Body fat percentage using the U.S. military circumference method.

How does the Army/Navy Body Fat Calculator work?

Enter the inputs above and read the result.

Formula

Male: 495/(1.0324−0.19077·log10(waist−neck)+0.15456·log10(height))−450

Variables

  • log10Base-10 logarithm

Explanation

The U.S. Army/Navy tape-test method estimates body fat from circumference measurements only.

Examples

Applications

    Advantages

      Limitations

      • This tool is for general education only and is not medical advice. Consult a qualified healthcare professional for diagnosis or treatment decisions.

      Common mistakes

        Tips

          Related concepts

          The Army/Navy Body Fat Calculator sits inside the Health Calculators hub, in the body composition cluster. What body mass is made of and how it is distributed. Understanding the terms below makes the output easier to interpret and easier to compare against neighbouring measures.

          fat masslean massadipositypercentilecircumference

          Practical use cases and industry applications

          Understanding Army/Navy Body Fat

          Body fat percentage using the U.S. military circumference method. Within health calculators, army/navy body fat belongs to the body composition cluster, where it shares terminology and assumptions with closely related tools.

          Learning how army/navy body fat is calculated

          The U.S. Army/Navy tape-test method estimates body fat from circumference measurements only. Working through the variables one at a time — log10 — makes the result reproducible by hand and easier to sanity-check.

          Using army/navy body fat to make a decision

          Because outputs depend on the assumptions you enter, run more than one scenario before committing to a figure.

          How army/navy body fat compares with related measures

          fat mass, lean mass, adiposity, percentile all describe adjacent aspects of body composition. Comparing this calculator's output against those measures — using the related tools listed on this page — prevents a single metric from being read in isolation.

          Frequently asked questions

          Related calculators

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