// 02 · Water

Water

Planning baseline: about 1 gallon (3.8 L) per person per day for drinking and basic hygiene, at least 3 days. Hot climates, illness, nursing and activity raise this.

Calculator

INPUT

PeoplePetsDays

Hot climate / high exertion (doubles per-person estimate)Water stored now (litres)= 0.0 US galLast rotated

Result

OUTPUT

Target for 3 days

22.7 L

6 US gallons

Stored water covers 0 days at baseline use.

· Store in food-grade containers, cool and dark, away from chemicals.
· Rotate stored tap water on a schedule; follow label dates on commercial bottles.
· For treating questionable water, follow your local health authority's instructions.