Water Intake Calculator
Estimate your ideal daily water intake from your weight, exercise and climate — shown in litres and glasses. Especially handy through hot summers and Ramadan planning.
Enter your weight to see your daily water target.
How to use
- Enter your weight and daily exercise minutes.
- Select your climate (hot climates increase your needs).
- See your recommended litres per day and the number of glasses.
Frequently asked questions
A widely used baseline of ~35 ml per kg of body weight, plus extra for exercise time and hot weather. Individual needs vary — thirst and urine color are good guides.
Partially — most beverages and water-rich foods contribute, but plain water is the best way to meet the target.