Free online utility tool
Estimate body fat percentage, lean body mass, and fat mass using US Navy waist and neck measurements.
Enter your sex, height, weight, waist, neck, and hip measurements. The calculator uses US Navy formulas to estimate body fat percentage, fat mass, and lean body mass.
Estimate body fat percentage, lean mass, and fat mass using US Navy anthropometric formulas.
Body Fat Percentage
20.5%
Category: Average
Estimate body fat percentage, lean mass, and fat mass using US Navy formulas. Yuitility keeps the workflow fast and focused, so you can complete the job without creating an account.
Frequently asked questions about calculation formulas, privacy, and usage.
The Body Fat Percentage Calculator processes your inputs directly in your web browser to perform fast calculations, transformations, or data formatting without external tools.
Yes. Yuitility provides the Body Fat Percentage Calculator 100% free with no account creation, no usage caps, and no subscription fees.
No. All file processing, image conversion, and data math execute locally on your device. Your data never leaves your browser window.
Yes. Once the page is loaded, the client-side JavaScript execution code remains active in memory, allowing offline use without an active internet connection.
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