Interactive tool
Supply calculator
Based on Ready.gov guidance: 1 gallon of water per person per day, doubled in hot climates.
Climate
Your household needs
- Drinking & cooking water
- 98 gallons
- Food
- 75,600 calories (non-perishable)
- Flashlights / headlamps
- 3
- Spare batteries (AA/AAA)
- 30
- Unscented bleach (backup water treatment)
- 8 oz
- Prescription medicine
- 21 days' supply
- Blankets / sleeping bags
- 3
Pet water is an estimate (~½ gallon per medium dog per day). Sources: Ready.gov Build a Kit, CDC emergency water guidance.