Calculator

Body Fat Calculator

Estimate body fat percentage and lean mass using body measurements.

Calculator workspace

Estimate body-fat percentage and lean mass using body measurements.

Workspace session

Each calculator workspace session is saved locally and linked to this calculator route.

Quick presets:
Body Fat Percentage17.28%
CategoryFitness
Fat Mass12.96 kg
Lean Mass62.04 kg

Goal tracker

Set one measurable target to keep this calculator outcome on track.

Scenario vault

No saved scenarios yet. Save your current setup to build your comparison vault.

Smart action plan

  • Save 2-3 scenarios and compare outcomes before making final decisions.
  • Translate your preferred outcome into a monthly target and track it as a goal in this workspace.

Insights

  • Estimated body fat category: Fitness.
  • Estimated lean mass: 62.04 kg.

How this tool helps

Use the U.S. Navy method to estimate body-fat percentage from waist, neck, height, and weight metrics.

Utiliora tools are designed to work directly in modern browsers with clear input labels, mobile-friendly controls, and accessible result panels. Use related utilities below to continue your workflow without switching apps.

FAQ

Is Body Fat Calculator free to use?

Body Fat Calculator is available for free and works directly in your browser.

Does Body Fat Calculator store my input data?

Inputs are processed client-side whenever possible. Server-side checks are only used for network diagnostics and are not stored.

Can I use Body Fat Calculator on mobile?

Yes. The interface is responsive and optimized for phones, tablets, and desktop devices.