Emergency water calculator
How much water should your household store? Enter your household and see litres, bottles and canisters.
You need–
Based on the RCB recommendation of 2 litres per person per day; 3 litres includes basic hygiene. Add water for pets.
Read the guide: how much water for 72 hours →
Get your household's full 72-hour plan
Ready72h turns official guidance from Sweden (MSB), Germany (BBK) and Poland (RCB) into a calm, practical plan: a complete 72-hour supply checklist, a family communication plan for when phones go down, and a “15 minutes to leave the house” go-bag list. Apartment and house versions, printable PDF plus an offline app that tracks your progress.
Pay what you want, from 2 PLN · PDF planner + offline app · PL / EN / DE / ES