Emergency Water & Food Storage Calculator
Estimate emergency water and food storage for your household
Household Details
Recommended Storage
Calculating your supplies...
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Enter your household details to see recommended water and food storage
Drinking Water
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Total Water
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Total Calories
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Calorie-Days
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Estimated Food Weight
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Readiness Note
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How Emergency Storage Is Estimated
Water
- • Drinking: 1 gallon per person per day (1.5 in a hot climate or with heavy activity)
- • Hygiene and food prep: 0.5 gallon per person per day
- • Pets: 0.5 gallon per pet per day
Food
- • About 2,000 calories per person per day
- • Calorie-days are person-days of meals (people × days) to plan and pack
- • Food weight is approximated at about 1.5 lbs per person per day
These figures are planning estimates based on common preparedness guidance. Adjust for infants, nursing mothers, medical needs, and hot weather, and rotate stored supplies before they expire.
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