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Water Intake Calculator
Calculate your daily hydration needs based on weight & activity
Gender
Additional Factors (Female)
Pregnant (adds ~300 ml)
Lactating (adds ~700 ml)
Climate
Recommended Daily Intake
2.31 L
(2310 ml)
—
Glasses (250ml)
—
Bottles (500ml)
Quick Daily Plan
🌅 Morning (wake-up)—
☀️ Midday—
🌇 Afternoon—
🌙 Evening—
This tool provides general guidance for healthy adults. Individual needs vary with health conditions and medical advice.
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Frequently Asked Questions
Is the “8 glasses a day” rule accurate?
It’s a general guideline but often insufficient. Actual needs depend on your weight, activity level, and the climate you live in.
Can drinking too much water be harmful?
Yes. Excessive intake can dilute blood electrolytes, leading to a condition called hyponatremia (water intoxication).
Does food contribute to my water intake?
Yes! About 20% of daily fluid intake typically comes from food, especially fruits and vegetables like watermelon and cucumber.
Do athletes need more water?
Absolutely. Physical activity increases water loss through sweat, so athletes need to hydrate before, during, and after workouts.