Body Fat Calculator (US Navy)

Estimates body fat percentage from tape measurements.

Result

Body fat
17.45%

How to use the body fat calculator (us navy)

  1. Enter the sex.
  2. Enter the height (cm).
  3. Enter the neck (cm).
  4. Enter the waist (cm).
  5. Enter the hip (cm, women only).
  6. The results update as you type, or press Calculate.
  7. Read the body fat first, then the supporting figures below it.

Formula

US Navy circumference formula using log10 of waist, neck (and hip) and height.

Worked example

For example, with these inputs:

the calculator returns:

Background

Any health calculator gives a general estimate. If a result worries you, or you are pregnant, managing a chronic condition or planning a big change in diet or exercise, speak to a doctor, polyclinic or dietitian.

Research has shown that Asians tend to develop conditions such as type 2 diabetes and heart disease at lower body weights than Europeans. That is why the Health Promotion Board recommends lower BMI cut-offs for Singaporeans, with 23 marking the start of moderate risk.

Frequently asked questions

How does the body fat calculator (us navy) work?

It applies this formula: US Navy circumference formula using log10 of waist, neck (and hip) and height.

Is this a medical assessment?

No. These are general estimates. Speak to a doctor or polyclinic for advice about your health.

Guides for this calculator

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