Advanced Body Composition Analysis
Body Fat Calculator
Pro 2026
Professional-grade body fat analysis using the U.S. Navy Method and BMI technique. Get your lean mass, FFMI, health risk score, and AI-powered fitness insights — instantly.
2Calculation Methods
8+Health Metrics
100%Free & Private
4Goal Plans
Enter Your Measurements
All data stays on your device. Nothing is sent to any server.
Gender
Please enter a valid age (15–100)
Please enter a valid weight
Please enter a valid height
Please enter a valid neck measurement
Please enter a valid waist measurement
Optional — used for goal projection
Progress History
Saved locally on your device
| Date | Body Fat % | Weight | Lean Mass | Fat Mass | BMI | FFMI | Category |
|---|---|---|---|---|---|---|---|
| No history yet. Calculate your body fat to save a result. | |||||||
Frequently Asked Questions
Everything you need to know about body fat and body composition
Website Owner at All Best Tool
My Name is Sourav Mukherjee. I am a Website Developer and SEO Expart. AllBestTool.com is a browser-based collection of free online utilities — everything from PDF converters and text tools to SEO helpers and calculators. The idea is pretty simple: make a bunch of useful web tools available in one place without requiring users to sign up.
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