Water Intake Calculator

Daily Water Intake
2670 mL
≈ 11 glasses (250ml each)

How Much Water Do I Need?

Water is essential for every cellular function in your body. While the '8 glasses a day' rule is common, your actual needs depend on your weight, activity level, and climate.

Hydration Calculation

A standard guideline is 33ml per kg of body weight. Add about 350-500ml for every 30 minutes of intense exercise to replace lost fluids through sweat.

Frequently Asked Questions

The easiest way is to check your urine color; it should be light pale yellow (like lemonade). If it's dark amber, you likely need more water.
Yes, a rare condition called hyponatremia occurs when you drink so much water that it dilutes the sodium in your blood. It usually only affects extreme endurance athletes.

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