Stay Hydrated, Stay Healthy!
Calculate your personalized daily water needs based on your weight, activity level, climate, and lifestyle. Get hydration reminders and track your water consumption for optimal health.
Calculate NowBased on your unique needs
Warning: Overhydration (water intoxication) can be dangerous. Don't exceed 1 liter per hour and listen to your body's signals.
Scientific approach to personalized hydration
35-40ml per kg body weight as the foundation for daily water needs calculation.
Hot climates add 10-20% more water, while cold climates may require less adjustment.
Active lifestyles require 15-30% more water to compensate for increased fluid loss.
Pregnancy and breastfeeding add 0.3-1 liter to daily water requirements.
Get hourly breakdowns, visual charts, and personalized hydration recommendations.
Log daily water intake, set reminders, and monitor your hydration progress over time.
Common questions about daily water intake
The general recommendation is 35-40ml per kg of body weight, but this varies based on activity level, climate, age, and health conditions. Our calculator provides personalized recommendations based on your specific factors.
Yes, physical activity increases water needs by 15-30% due to increased sweating and metabolic processes. Athletes and very active individuals need significantly more water than sedentary people.
Signs of dehydration include thirst, dark yellow urine, dry mouth, fatigue, dizziness, and reduced urine output. The best indicator is urine color - it should be light yellow or clear when properly hydrated.
Yes, overhydration (water intoxication) can be dangerous and lead to hyponatremia. Don't exceed 1 liter per hour and listen to your body's signals. Our calculator provides safe upper limits.
Yes, most beverages contribute to hydration, but water is the best choice. Coffee and tea count, but avoid excessive caffeine. About 20% of daily water comes from food, especially fruits and vegetables.