Backcountry Water and Caloric Requirement

Formula and source

Water L/day = base × ambient_factor (cool 3 / moderate 4 / hot 6 / extreme 8) × group_size × days. Kcal/day = base × exertion_factor (easy 2500 / moderate 3500 / hard 4500 / extreme 5500) × group × days.

U.S. Army FM 21-10 (Field Hygiene and Sanitation) + USDA Dietary Reference Intakes by name; ACSM (American College of Sports Medicine) Position Stand on hydration by name.

Audience

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Posture

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