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.
Be Prepared. Stay Ready. Protect What Matters.
Practical guides, free tools and printable checklists to help you prepare for emergencies, build resilience and become more self-reliant.
Getting started
New to this? You do not need a bunker or a big budget. Most of being prepared is a few sensible things, done once and checked now and then.
Free prepper tools
Calculators that do the sums for you. Free, no sign-up, and they run in your browser, so your answers stay on your device.
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.
Home Preparedness Score
Answer 30 quick questions across 10 areas to get a score out of 100, your strengths, your biggest gaps and one next step for each.
Coming soon
72-Hour Emergency Bag Checklist
Build a grab-bag checklist tailored to your household, with items you can tick off as you pack.
Coming soonEmergency Supplies Checklist Generator
Generate a home emergency supplies list based on who lives with you and the risks in your area.
Coming soonFood Storage Rotation Tracker
Keep track of what is in your food store and what to eat next, before the best-before date passes.
Coming soonPopular guides
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
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
Emergency kits
How to build a 72-hour emergency bag
What to pack in a grab bag for leaving home quickly, how to keep it light, and how to adapt it for children, older relatives and pets.
Reviewed
Power cuts
Preparing for a power cut
How to get ready for a power cut in the UK, what to do when the lights go out, how to keep food and people safe, and when to call 105.
Reviewed
Preparedness topics
Food & water How much to store, how to keep it fresh and how to treat water. Emergency kits Grab bags and home supplies, packed and ready. Power cuts Light, warmth and communication when the electricity goes off. Family Plans that work for everyone in your household. Home Documents, utilities and making your home more resilient. Survival skills Practical skills that help when normal services stop.
How prepared is your home?
Answer 30 quick questions across 10 areas, from water and first aid to documents and money. You will get a score out of 100, your three biggest gaps and one practical next step for each.
Latest articles
- Emergency water purification: boiling, filters and tablets Water ·
- Essential documents to keep ready Home ·
- How to make a family emergency plan Family ·
- Prepping for beginners: the first 10 things to do Getting started ·
Gear buying guides
What to look for when you buy, with no sponsored picks.
- How to choose a water filter for emergenciesWhat to look for in an emergency water filter, from what it removes to flow rate and capacity. Who each type suits, its limits, and typical price bands.