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Daily Water Intake Calculator

Personalized hydration target based on weight & activity
Recommended Hydration
Daily Water Target
2.8 Liters / day
≈ 11 Glasses (250 ml each)
US Fluid Ounces: 94.7 fl oz
Hourly Intake (14 hrs awake): 200 ml / hour
Workout Extra Water: +350 ml

Frequently Asked Questions

A baseline recommendation is approximately 35 ml of water per kg of body weight. You should add an extra 350-500 ml for every 30 minutes of physical exercise.

Our calculator provides both total Liters / Ounces and an exact 8 oz / 250ml glass count to help you track your hydration throughout the day.