Water Storage Calculator | How Much Water Does Your Family Need?

Water Storage Calculator

Calculate how much emergency water your household should store for drinking, cooking, hygiene, pets, and longer blackout conditions.

Your Household

Your Water Needs

Minimum Drinking Water120gallons
Recommended Total360gallons
3601-Gallon Jugs
725-Gallon Containers
755-Gallon Barrels
Estimated Weight3,002pounds
Storage Volume48cubic feet approx.

Water Storage Tips

  • Store emergency water in food-grade containers only.
  • Keep water away from direct sunlight, fuel, pesticides, paint, and chemicals.
  • Label containers with the storage date.
  • Rotate untreated stored water every 6–12 months.
  • Use a mix of small containers for daily access and large barrels for bulk storage.