Health
Water Intake Calculator
Estimate recommended daily water intake from body weight.
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A simple estimate of how much water to drink per day based on body weight (excludes intense exercise and hot climates).
The math behind it
A common guideline is about 33 ml of water per kilogram of body weight per day.
Worked Example
70 kg → 70 × 0.033 = 2.31 L (≈10 cups).Frequently Asked Questions
Does food count?
Yes — roughly 20% of daily water comes from food; needs rise with heat and exercise.
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