Water Intake Calculator

Calculate how much water you should drink daily for optimal hydration.

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Stay Hydrated

Proper hydration supports digestion, skin health, energy levels, and cognitive function. Drink more during exercise or hot weather.

Frequently Asked Questions

How much water should I drink?
A general guideline is 8 cups (64 oz) per day. The actual amount varies by weight, activity, and climate.
Does coffee count toward water intake?
Yes, but caffeinated beverages have mild diuretic effects. Water and herbal tea are best for hydration.
How do I know if I am dehydrated?
Signs include dark urine, thirst, dry mouth, fatigue, and headaches. Aim for pale yellow urine.