Water Intake Calculator

Calculate daily water needs

How to Use

Input your body weight in kg or lbs.

Choose how active you are on a typical day.

Select temperate, hot, or cold based on your environment.

Enter daily exercise minutes for additional hydration needs.

How much water should I drink daily?

A general guideline is 30-35ml per kg of body weight, adjusted for activity level, climate, and exercise.

Does coffee and tea count toward water intake?

Yes, caffeinated beverages contribute to hydration despite being mild diuretics. However, water is still the best choice.

How do I know if I'm drinking enough?

Pale yellow urine, regular bathroom visits, and feeling energized are good signs. Dark urine, thirst, and fatigue suggest dehydration.

Should I drink more in hot weather?

Yes, increase intake by 20% or more in hot/humid conditions. The calculator adjusts for climate settings.

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