Health
Daily Water Intake Calculator
Calculez votre besoin quotidien en eau selon votre poids et votre activité.
How much water do you need?
The "8 glasses a day" rule is an approximation. Your real needs depend on body weight and activity level.
Base oz = Body weight (lbs) ÷ 2
Add 12 oz per 30 min of exercise
Signs of dehydration
- Dark yellow urine (pale yellow = well hydrated)
- Persistent thirst or dry mouth
- Headaches and difficulty concentrating
- Fatigue and reduced physical performance
Tips for drinking more
- Keep a water bottle at your desk at all times
- Drink a full glass before each meal
- Set hourly phone reminders
Frequently asked questions
Combien de litres d'eau faut-il boire par jour ?▾
L'OMS recommande environ 1,5 à 2 litres d'eau par jour pour les adultes (hors boissons contenues dans les aliments). Les besoins augmentent avec la chaleur et l'exercice.
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