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.
Free prepper tools
Calculators and checklists that do the sums for you. They are free, need no account, and run entirely in your browser, so your answers never leave your device.
Ready to use
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.
All tools by category
Tools marked coming soon are planned. We build one at a time and only publish a tool when it works properly.
Food & water
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 soonKits & supplies
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 soonVehicle Emergency Kit Checklist
Build a car kit for breakdowns and winter journeys.
Coming soonFirst Aid Kit Checklist
Check your home first aid kit against a practical contents list.
Coming soonPlanning & assessments
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.
Family Emergency Plan Generator
Create a printable household plan with contacts, meeting places and who does what. Stored only on your device.
Coming soonPreparedness Progress Tracker
Track your preparedness goals over time and see how far you have come.
Coming soonHousehold Evacuation Checklist
A step-by-step checklist for leaving home quickly and safely.
Coming soonPower & energy
Power Outage Planner
Plan light, warmth, food and phone charging for a power cut of a few hours to a few days.
Coming soonSolar Power Requirements Calculator
Size a small solar and battery setup for the devices you would need in a power cut.
Coming soonEmergency Heating Planner
Plan safe ways to keep warm if your heating fails in winter.
Coming soonBudget
Preparedness Budget Planner
Spread the cost of getting prepared over weeks or months with a simple, realistic plan.
Coming soonEmergency Cash Reserve Planner
Work out how much cash to keep at home for when card payments are down.
Coming soonHousehold
Pet Emergency Preparedness Planner
Plan food, water, medicines and evacuation for your pets.
Coming soonEmergency Document Checklist
List the documents you need and where copies are kept.
Coming soonFlood Preparedness Checklist
Steps to take before, during and after a flood warning.
Coming soonWinter Preparedness Planner
Get your home, car and household ready for cold weather, snow and ice.
Coming soon