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Body Fat Percentage Calculator
Estimate your body fat percentage using the U.S. Navy method from a few simple tape measurements.
How to use this tool
- 1Paste or type your input above.
- 2The result updates instantly.
- 3Copy the output with one click.
Frequently asked questions
How accurate is the Navy body fat method?+
It's typically within 3β4% of a DEXA scan for most people β accurate enough to track progress over time without special equipment.
Is this a substitute for medical advice?+
No. These calculators are for general information and education only. Consult a qualified healthcare professional for personal medical advice.
Is my data private?+
Yes. The tool runs entirely in your browser β nothing you paste or type is uploaded to a server.
Learn more
- Body Fat Percentage Calculator: how it works
- What your body fat result means
- Healthy ranges and next steps