Food & lifestyle
Water Intake Calculator
A starting point for how much to drink. Your thirst and pale-yellow urine are still the best day-to-day guides.
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Health, fitness and nutrition content on this site is general information, not medical advice. Talk to a qualified professional about your own situation.
How this is worked out
33 ml per kg of body weight, plus 350 ml for every 30 minutes of exercise, plus 500 ml in hot weather. About 20% of water usually comes from food, so we show what to drink as well as the total.
Questions people ask
Do tea, coffee and chaas count?
Yes. Moderate tea and coffee still hydrate overall; buttermilk, coconut water, soups and fruit all count.