Supplies calculator
How long will your supplies last?
Say who lives with you and what's on the shelf, and see how many days your water, food, light and cooking fuel cover, against the official baseline where you live. No account, and nothing leaves this page.
This page works from the totals you type, with the same arithmetic as Estoki's Be ready. In the app it is worked out from the packs actually on your shelves, kept up to date as you take and add stock, and checked every quarter. Try the quick version here, then keep it true in Estoki.
Days covered
Against the official baseline where you live
Ireland's Be Emergency Ready booklet (September 2026) gives no number of days, so your shelf is compared with the EU's baseline: 72 hours, three days. The UK government's Be Ready campaign asks households to be ready for three days. Portugal's civil protection (ANEPC) recommends a 72-hour kit, three days, to every household. Germany's BBK recommends a ten-day stock, with 2 litres of water a person a day. Brazil has no national figure; Defesa Civil asks for a household kit reviewed every six months. Your shelf is compared with the EU's baseline: 72 hours, three days. The EU's baseline: supplies for a minimum of 72 hours, three days. 1 day {days} days ? Say who lives with you first. {amount} {amountUnit} in stock, {perDay} {perDayUnit} litres kcal hours litres a day kcal a day hours a night hours a day- Water
- Food
- Light
- Cooking fuel
Water and food are counted per person: say who lives with you to see their days.
Keep it up to date in Estoki: Be ready works these rows out from the packs on your shelves, as you take and add stock, and reminds you to check every quarter. The emergency card and the official checklists are free.
What this number leaves out
The rest of being ready is in Estoki
Estoki counts each pack's litres, calories and hours from your real shelves, knows which packs are past their date, and tells you which spot they're in.
The official checklists, Ireland's and the UK's, are free in Estoki, ticked item by item, with the emergency card for who to call and where things are.
Use first rotates your stock so nothing expires, as Ireland's booklet advises, and a quarterly check reminds you to look at the dates, the damp, the batteries and the water.
- Ireland: the Department of Defence's Be Emergency Ready booklet, posted to households from 21 September 2026. What is in it
- The EU: the European Commission's Preparedness Union Strategy (26 March 2025) and its guidelines of October 2026, “a minimum of 72 hours”. As reported
- The UK: beready.campaign.gov.uk, three days.
- Germany: the BBK's Vorsorgen für Krisen und Katastrophen, a ten-day stock and 2 litres of water a person a day.
- Portugal: ANEPC's 72-hour kit. As reported
- The daily figures (3 litres of water a person, 2,000 kcal an adult, 5 hours of light a night, 1 hour of cooking fuel a day) are Estoki's planning figures, a guide and not medical advice.