Emergency Water Calculator
Figure out exactly how much water to store for your household.
1. Who is in your household?
2. How many days to prepare for?
3. Special Conditions
Hot weather doubles water needs.
Requires increased hydration for health and milk production.
Includes chronic illness, fever, or special needs requiring extra water.
Recommended Water Storage
6 Gallons
That’s roughly 6 1-gallon jugs or 2 5-gallon containers.
Based on FEMA/Ready.gov and Red Cross guidance of 1 gallon per person per day for at least 3 days (ideally 7–14), adjusted for pets and climate.