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Personalized daily hydration estimate
Enter your details to get a daily water target.
About Water Intake Calculator
Daily water needs vary with body weight, age, activity, and climate. This calculator gives a practical starting target in liters, cups, and ounces.
Thirst, urine color, and energy levels are useful day-to-day hydration cues alongside any numeric estimate.
Quick tips
- Drink more on hot days or hard workouts
- Include fluids from food and other beverages
- People with medical conditions should follow clinical advice