Recommended Water Intake Calculator

Calculate your own daily recommended water intake using our water hydration calculator:
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In Years
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In Kilograms

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Litres per day
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An accurate recommended water intake is calculated on a persons weight. The fluid requirements for the average adult is: 25-35ml per kg of body weight. This as a general rule of thumb means that the average adult should drink 1.2 litres (6-8) glasses of water per day. Work out your exact daily water intake requirements using the Water Intake Calculator below: