Body Fat Calculator

Estimate your body fat percentage using the US Navy method, which uses body circumference measurements to calculate body composition. More accurate than BMI for athletes. Requires neck, waist, and hip (for women) measurements in centimeters.

Body Fat Calculator (Navy Method)

16.9%
Body Fat %
Fitness
Category

How to Use Body Fat Calculator

  1. 1Select male or female
  2. 2Enter height, neck, waist measurements
  3. 3Women add hip measurement
  4. 4View body fat % and category

About Body Fat Calculator

Estimate your body fat percentage using the US Navy method, which uses body circumference measurements to calculate body composition. More accurate than BMI for athletes. Requires neck, waist, and hip (for women) measurements in centimeters.

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Your Privacy is Protected

Body Fat Calculator runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.

No server uploadNo account required100% freeWorks on all devices

Frequently Asked Questions

Is Body Fat Calculator free to use?

Yes, Body Fat Calculator is completely free with no hidden costs, no account required, and no file limits.

Does Body Fat Calculator upload my files to a server?

No. Body Fat Calculator runs entirely in your browser using client-side technology. Your files and data never leave your device and are never sent to any server.

What browsers does Body Fat Calculator support?

Body Fat Calculator works on all modern browsers including Chrome, Firefox, Safari, and Edge — on desktop, tablet, and mobile.

Do I need to create an account to use Body Fat Calculator?

No account or registration is required. Open the tool and use it immediately, completely free.

Why Use This Tool?

Files never leave your device
No upload to any server
Instant processing in browser
100% free, no account needed

Tags

body fat calculatorbody fat percentagenavy methodbody compositionlean mass

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