This is a complete, single-file "Free Ruck Marching Weight & Fatigue Calculator" application. It uses responsive Tailwind CSS for layout, Lucide for iconography, and standard metabolic formulas for calculations.
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Free Ruck Marching Weight & Fatigue Calculator
Ruck Marching Calculator
Analyze energy expenditure and fatigue impact based on load and terrain.
Parameters
75kg
15kg
5km/h
Energy Expenditure
0kcal/hr
Fatigue Multiplier
1.0x
Performance Insight
20%
"Load is within optimal safety guidelines for sustained movement."