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Daily Water Calculator

How much water you should drink based on weight and activity

Calculate your recommended daily hydration using WHO and EFSA guidelines: 35 mL per kg body weight as base, adjusted for activity and climate.

For guidance only. Actual needs vary by medical condition. Consult your doctor.
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How it works

  1. 1Enter your weight in kilograms.
  2. 2Select your physical activity level.
  3. 3Indicate the climate where you live or exercise.
  4. 4Get your adjusted recommendation in liters, cups and glasses.

Frequently asked questions

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