Water intake calculator: how much to drink a day?
Enter your weight, exercise and the weather. You'll get a daily estimate in liters and glasses.
Your clients book on their own, 24/7
An online booking page, an AI agent that answers in 7 languages and automatic reminders.
See how it works
Result
Fill in the fields to see the result.
For general information only. It is not medical advice; for a personal answer, talk to a doctor or a dietitian.
Questions and answers
How is it calculated?
About 35 ml per kg of body weight, plus about 350 ml for every 30 minutes of exercise and half a liter in hot weather.
Do coffee and tea count?
Yes, all drinks count, and food gives some water too.
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