Wellness Room · Bench
Body Fat Calculator
Body-fat % (U.S. Navy method)
16.9%
Estimated body fat
U.S. Navy circumference method — an estimate, not a medical measurement.
Private by designThis bench runs within your browser. Supported files stay on this device while you work.
Important contextThis bench provides a general educational estimate, not a diagnosis or medical advice. Personal health decisions belong with a qualified professional.
About this bench
About Body Fat Calculator
Estimate your body-fat percentage using the U.S. Navy method from a few simple measurements.
Input
Enter only the measurements or dates requested by the calculator and check that the units are correct.
Result
A general educational estimate calculated locally from the formula described below.
Limits
Population formulas cannot diagnose an individual or replace clinical measurements, symptoms, medical history or professional care.
How to use Body Fat Calculator
- 01Choose your units and sex.
- 02Enter the required measurements.
- 03Read your estimated body-fat percentage.
- 04Adjust to compare over time.
Frequently asked questions
Is this a medical diagnosis?
No — it's an estimate for general guidance, not medical advice.
Is my data private?
Nothing is uploaded. This tool runs entirely in your browser, so your data is processed on your own device and never sent to a server.