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Daily Water Intake Calculator
Get your personalized daily hydration goal based on weight, activity, and climate.
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Water Intake Calculator
Weight-based hydration formula
kg
How Much Water Should You Drink?
General guidance suggests drinking 35ml of water per kilogram of body weight daily as a baseline. This amount increases with physical activity, hot weather, and other factors like illness or pregnancy.
Base intake = weight (kg) × 35 ml
+ adjustments for activity, climate, and health factors
Signs of Good Hydration
- ✅Pale yellow urine (like lemonade, not water or apple juice)
- ✅Rarely feeling thirsty throughout the day
- ✅Good energy levels and mental clarity
- ⚠️Dark urine or persistent thirst = dehydration warning