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Ready.gov baseline: 1 gallon per person per day
Kit Calculator
Household × days = how much water to store and the cheapest way to cover 2,000 calories a person a day at today's prices. Shareable and printable.
Water: Ready.gov says Store at least one gallon of water per person per day for several days, for drinking and sanitation.
Children, nursing mothers, sick people and hot climates may need more (source). Food: 2,000 kcal per person per day, the Nutrition Facts reference amount. Adjust for your family.
Loading the calculator… (it needs JavaScript). The cheapest foods today are on the Bunker Index.
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