Body Fat Calculator
An estimate of your body fat percentage using the US Navy method: height, neck, waist and, for women, hips.
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How to do it
- 1Add the text
Paste or type the text or amount here.
- 2See the result
The result appears right away as you type.
- 3Copy it
Copy the result and use it anywhere. Your text goes nowhere.
About this tool
Measure with a tape: neck just below the larynx, waist at the navel and, for women, hips at the widest point. Enter the values in centimetres. The method gives a useful estimate and a category. It is not as exact as a medical scan.
Frequently asked questions
How accurate is it?
Within a few percent for most people. Measure carefully and at the same time of day.
Is it medical advice?
No. It is a general estimate. Talk to a doctor about your health.
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