Water Intake Calculator
Estimate your daily water intake based on body weight and exercise time.
Enter your values and press Calculate.
How to use the Water Intake calculator
Needs rise in heat, at altitude and during illness, pregnancy or breastfeeding. Food provides about 20% of daily water. People with kidney or heart conditions should follow medical advice.
Formula
A common guideline: ⅔ fl oz per lb of body weight, plus 12 fl oz per 30 minutes of exercise.
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