Home/Fitness & Health
📉

Body Fat Calculator

Estimate body fat percentage. This tool runs 100% locally in your browser.

Medical Disclaimer: This tool is provided for informational and educational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

Advertisement
Ad Slot: tool-top
📉

Composition Analysis

Use standardized tape measurements to estimate your body fat percentage and lean muscle mass.

Advertisement
Ad Slot: tool-bottom

What is Body Fat Calculator?

Estimate your body fat percentage without calipers. Uses the US Navy Method based on neck, waist, and hip measurements. Gives a better picture of health than weight alone.

When to Use This Tool

  • 1Tracking fitness progress
  • 2Monitoring body composition
  • 3Health assessment

Formula Used

Based on waist/neck/height logs

Examples

Input
Waist: 32, Neck: 15, Height: 70
Result
Body Fat: ~14%

Frequently Asked Questions

Is it accurate?

It typically estimates within 1-3% of DEXA scans if measurements are precise. It's best for tracking trends over time.

Privacy & Security

Privacy is our priority. Unlike many other online tools, ToolsHub doesn't upload your data to any server. Whether you're processing sensitive text, calculating financial data, or generating passwords, everything stays in your browser.