Daily Water Intake Calculator
Calculate personalized water intake based on weight, activity level, climate, and special conditions (pregnancy, breastfeeding). Check the urine color chart to assess your hydration status.
How to use
- 1Enter your weight and select unit (kg/lb)
- 2Choose your daily physical activity level
- 3Select climate conditions and any special health factors
- 4View personalized water recommendation and hourly drinking schedule
- 5Use the urine color chart to check your actual hydration status
Frequently Asked Questions — Daily Water Intake Calculator
How much water is too much?+
Drinking more than 3-4 liters per day for the average person can lead to hyponatremia (water intoxication), where sodium levels become dangerously low. Athletes may safely consume 6+ liters on intense training days. The kidneys can process about 0.8-1 liter per hour, so spread your intake throughout the day.
How much water should I drink when working out?+
Add 350-500ml for every 30 minutes of moderate exercise, and up to 750ml-1L for every 30 minutes of intense training. Drink 500ml 2 hours before exercise, 150-250ml every 15-20 minutes during exercise, and 500-750ml after each hour of exercise to replace sweat losses.
How much water do pregnant women need?+
Pregnant women need an additional 300ml per day above baseline recommendations. The American Pregnancy Association recommends 2.3-3L (8-10 cups) total per day. Staying hydrated during pregnancy helps with nutrient transport, amniotic fluid levels, and preventing constipation.
Does drinking water help with weight loss?+
Yes! Drinking 500ml of water 30 minutes before meals can reduce calorie intake. Water also temporarily boosts metabolism by 24-30% for about 1 hour. Drinking cold water may burn an additional 8 calories as your body warms it to body temperature.