HEALTH
Water intake calculator
Estimate daily fluid intake based on weight, activity and hot conditions.
How is water intake calculated?
The calculator uses a simple estimate — about 30 ml of fluid per 1 kg of body weight per day, with extra fluid for activity and heat.
Some fluid also comes from food, tea and other drinks. Needs can vary because of health conditions, medicines, temperature and physical workload.
If a doctor has set a fluid limit or you have kidney, heart or another medical condition, follow medical advice.