Preparedness checklist calculator
Direct answer: Enter household size and days of supply to see general Ready.gov planning quantities for water and food. No medication module is included, and no personal medical preparation advice is given.
Published: 28 October 2026. Updated: 28 October 2026. Formula: people × days × 1 gallon of water per person per day, per Ready.gov guidance.
Preparedness checklist calculator
General planning quantities only, from Ready.gov guidance. No medication module is included, and no personal medical preparation advice is given.
- Water: 12 gallons (4 people × 3 days × 1 gallon per person per day)
- Food: at least a 3-day supply of non-perishable food
- Also in a basic kit, per Ready.gov themes: radio, flashlight and batteries, first-aid kit, whistle, dust mask, plastic sheeting and tape, sanitation items, wrench or pliers, manual can opener, phone chargers, cash, copies of important documents, sleeping bag or blanket per person, change of clothing, and a fire extinguisher
Source: Ready.gov basic disaster supplies kit guidance, as summarised in search results for this build. Check Ready.gov for the current full list.
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