Water
Emergency water purification: boiling, filters and tablets
How to make doubtful water safer to drink in an emergency. When to boil, what filters and tablets can and cannot do, and when not to drink water at all.
Reviewed
Food & Water
Water and food are the foundations of any emergency plan. Start with 3 days of each for everyone in your home, pets included, then build up from there.
Guides
Food
How much food should you store for an emergency?
How to plan an emergency food store that suits your household, from a 3-day starter to a few weeks. What to buy, how much, and how to rotate it.
Reviewed
Water
How much water should you store?
How much drinking and household water to keep for an emergency, how to store it safely, and when to replace it. With litres, UK gallons and US gallons.
Reviewed
Tools
Emergency Food Storage Calculator
Work out how many calories and roughly how much food your household needs for 3 days to a year, with a printable shopping checklist.
Emergency Water Storage Calculator
Find out how much water to store for your household and pets, in litres and UK and US gallons, with container counts and rotation reminders.
Food Storage Rotation Tracker
Keep track of what is in your food store and what to eat next, before the best-before date passes.
Coming soonEmergency Cooking Calculator
Estimate the fuel you need to cook your stored food without mains power.
Coming soonLong-Term Food Storage Planner
Plan a balanced food store for several months, with shelf lives and rotation.
Coming soonRainwater Collection Calculator
Estimate how much rainwater your roof could collect, and what it is safe to use it for.
Coming soonChoosing a filter? Read our guide to emergency water filters.