Water Intake Calculator

Daily water target from weight, exercise and climate. Calculate how much water you should drink daily based on your weight, exercise minutes and climate. Get your target in litres and glasses. Free hydration calculator.

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Über Water Intake Calculator

How much water you need is personal: body mass sets the baseline, sweating replaces losses, and hot climates raise the bill. This calculator combines the three — weight, daily exercise minutes and climate — to estimate your daily water target, shown in litres, millilitres and a count of 250 ml glasses. Food contributes roughly 20% of fluid intake, so the target is total intake guidance, not a strict drinking quota.

So verwenden Sie Water Intake Calculator

  1. Enter your weight.
  2. Enter minutes of daily exercise.
  3. Pick the climate that matches your environment.
  4. Read your daily target in litres and glasses.

Wichtigste Funktionen

Does the "8 glasses a day" rule hold up?
It is a reasonable average, but needs scale with body size and activity — a 50 kg office worker and a 90 kg runner should not drink the same amount.
Can I drink too much water?
Yes — extreme intake in a short time can cause hyponatraemia. Spread intake through the day and let thirst guide you beyond the baseline.

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