Calculate your daily water intake needs based on body weight, activity level, and climate.
Enter your values below
How this calculator works
Calculates recommended daily water intake based on body weight (33 mL per kg), adjusted for activity level (add 350-700 mL per hour of exercise) and climate (add 250-500 mL in hot climates).
Common questions about this calculator
Hydration needs vary based on health conditions, medications, and activity levels. Consult a healthcare provider if you have fluid restriction requirements.
