Water Intake Calculator
Calculate your recommended daily water intake based on body weight, activity level, and climate. Stay properly hydrated.
π§ Water Intake Calculator
Daily Water Intake
Litres2.3 L/day
Glasses (250 ml)9 glasses
π‘ How Water Needs Are Calculated
Base recommendation: 33ml per kg body weight. This increases with physical activity (+15-20% for active people) and hot/humid climates (+15%). Cold climates slightly reduce needs.
Signs of adequate hydration: pale yellow urine, no persistent thirst. You also get water from food (fruits, vegetables, soups) β about 20% of daily intake comes from food.
70 kg, moderate activity, temperate climate: base = 2.3L/day β 9 glasses (250ml). Active in hot weather: 2.7L/day β 11 glasses.