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Health & Fitness

Water Intake Calculator

Daily water intake recommendation by weight and activity.

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Water Intake Calculator

How to Use the Water Intake Calculator

Enter your body weight and activity level to calculate your optimal daily water intake.

Optimal Hydration

Water is essential for cellular function, digestion, and thermoregulation. The '8 glasses a day' rule is outdated; optimal intake scales linearly with body mass and sweat loss during exercise.

Frequently Asked Questions (FAQ)

Does coffee count as water?
Yes, though it is a mild diuretic, it still contributes to net hydration.

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