[US NAVY CIRCUMFERENCE METHOD]
Body Fat Percentage Calculator - US Navy Circumference Method
Estimate your body fat percentage, lean body mass, and fat mass using official US Navy circumference equations. 100% private.
📂 Drop health profile JSON file here (100% local, FileReader parsed)
Estimated Body Fat
15.4%
Fat Mass
11.6 kg
Lean Mass
63.4 kg
Category
Fitness
About Body Fat Percentage Calculator - US Navy Circumference Method
Scientific, 100% client-side calculator for body fat calculator. Calculations execute strictly inside your browser sandbox with zero telemetry or network calls.
Supported Health & Fitness Queries
- +body fat calculator
- +navy body fat calculator
- +calculate body fat percentage
- +body fat formula waist neck
- +lean body mass calculator
- +fat mass vs lean mass
Architecture & Privacy Guarantees
✓ 100% Private & Client-Side Sandbox
Your personal health metrics (weight, age, body dimensions) never leave your device. Complete medical confidentiality guaranteed.
⚡ Zero Latency & Science-Backed Formulas
Uses validated physiological equations (Mifflin-St Jeor, US Navy, Epley & Brzycki) rendered in sub-millisecond execution.