How much water should you drink a day?
Enter your details to get a daily water target that adjusts for your weight, age, activity and climate.
Adds about 350 ml (12 oz) for every 30 minutes of exercise.
2.5litres
This is a general estimate for healthy adults, not medical advice. Needs vary with health, medication and diet. If you have kidney, heart or liver conditions, follow your doctor’s fluid guidance.

D Singha is a Civil Engineer with expertise in bridge design, structural engineering, and infrastructure projects. He shares insights on engineering, construction practices, technology, and professional development.