Water Intake Calculator
Estimate how much water you should drink per day based on your weight. Staying hydrated is essential for health and well-being. Not sure how it works? See FAQ ↓
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Recommended Water Intake: / day
Enter your weight to see your recommended water intake
Frequently Asked Questions
How much water should I drink per day?
A common recommendation is about 35 ml per kg of body weight (or about half your body weight in ounces if using lbs).
Does activity level affect water needs?
Yes, you may need more water if you exercise, are in a hot climate, or are pregnant/breastfeeding.
Can I drink too much water?
It’s rare, but excessive water intake can be harmful. Listen to your body and consult a health professional if unsure.