Water & Food Calculator
2 adults
18.0
litres of drinking water
for 3 days
At 3 litres per person per day — 2 people over 3 days.
Optional cooking & hygiene allowance: 12.0 L, not included above
Extra allowance for cooking and hygiene
Optional, and separate from the 3 litres drinking figure.
Litres per person per day
Added on top of drinking water.
2
2 Adults
3 L/day × 3 days
18.0 L
Cooking & hygiene
2 L/person/day × 2 people × 3 days
12.0 L
💡 Storage tips
- Store water in clean food-grade containers
- Keep it cool and dark, away from chemicals and cleaning products
- Check and rotate your supply every 6 months
- Officials advise building your supplies gradually, as part of your normal shopping