Daily water intake calculator
About 13 glasses (250 ml each), including drinks, soups and porridge.
Pale yellow urine is a good sign you're getting enough.
How we estimate it
We start from about 33 ml per kg of body weight, then add extra for exercise and hot weather. Food like fruit, soups and porridges also counts towards your fluids.
Signs you're on track
Pale yellow urine and rarely feeling thirsty are good signs. Drink more in the heat, when you sweat, and if you're unwell with fever or diarrhoea.
This is general nutrition information, not medical advice. Numbers are estimates that vary by recipe and portion. If you are managing a health condition, talk to your doctor or a dietitian before changing your diet.
Questions people ask
How much water should I drink a day?
Many adults need around 2 to 2.5 litres of fluids a day, and more in hot weather or when active. This calculator gives a personal estimate.
Do tea, sobolo and soups count?
Yes, they all add fluid. Just watch the sugar in sweetened drinks like sobolo and soft drinks.
Can I drink too much water?
It's rare, but drinking very large amounts quickly can be harmful. If you have heart or kidney problems, follow your doctor's advice on fluids.
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