DocConvertPRO

Body Fat Percentage Calculator

Estimate body fat from neck, waist and hip measurements.

  • Free
  • No signup
  • Private: runs in your browser
  • Works on mobile
For general information only. This is not medical advice. Please consult a doctor for personal health decisions.

Body Fat Percentage Calculator tool

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Example

With the default values shown in the tool, the results look like this:

Estimated body fat (US Navy)
18.2%

How to use Body Fat Percentage Calculator

  1. Enter your values in the fields above.
  2. The result updates instantly as you type or change an option.
  3. Copy the result or note it down. Nothing is saved on our servers.

Why use DocConvertPRO?

  • Free to use with no signup or watermark.
  • Everything runs in your browser. Your input is not uploaded.
  • Works on phones, tablets and computers.
  • Made for Indian users: rupees, lakh/crore formats and local use cases.

About this tool

The US Navy formula uses body measurements and height. It is an estimate.

This tool is for general information and is not medical advice. Consult a doctor for health decisions.

Frequently asked questions

How do I measure?

Use a tape at the narrowest waist and neck, widest hip.

How accurate is it?

Within a few percent of other estimates for many people.

Is there a better method?

DEXA scans are more accurate.

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