Your Daily Water Intake
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Number of Glasses (200 mL)
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This tool is for informational purposes only and is not a substitute for medical advice. The result is a general estimate; your water needs may change during pregnancy, breastfeeding, hot/humid climates, fever, or if you have kidney/heart conditions. Always consult a physician for a personalized recommendation.
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Frequently Asked Questions
A commonly used rule is to drink roughly 33 mL of water per kilogram of body weight. For a 70 kg person, this is about 2.3 litres per day. This tool also adds 350 mL of extra water for every 30 minutes of exercise.
During exercise you lose water and electrolytes through sweat. This tool adds a recommendation of 350 mL of extra water for every 30 minutes of exercise; in intense exercise or hot environments, your actual needs may be even higher.
No. Climate, humidity, altitude, general health, pregnancy/breastfeeding, and other foods/drinks you consume (soup, fruit, and other water-rich foods) all affect your water needs. This tool only offers a general starting point.
Yes, drinking excessive amounts of water (especially in a short time) can rarely lead to hyponatremia (low blood sodium levels). This tool is for informational purposes only; if you have kidney or heart conditions, always plan your water intake together with a physician.
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