ð§ Water Intake Calculator
How much water you should drink daily
How it works
Find out exactly how much water you should drink daily based on your body weight, activity level, and climate. Get your recommendation in liters and glasses. Staying properly hydrated improves energy, focus, digestion, and exercise performance.
Disclaimer: This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.
Frequently Asked Questions
- How much water should I drink per day?
- A common baseline is about 33 mL per kilogram of body weight, which works out to roughly 2.3 liters for a 70 kg person. However, your actual needs increase with physical activity, hot weather, and high altitude. This calculator adjusts for those factors to give you a personalized recommendation.
- Does coffee or tea count toward my daily water intake?
- Yes, coffee and tea do contribute to your total fluid intake despite being mild diuretics. Studies show the fluid they provide more than offsets any diuretic effect at normal consumption levels. That said, plain water remains the best choice for staying consistently hydrated throughout the day.
- Can you drink too much water?
- Yes, overhydration can lead to a condition called hyponatremia, where sodium levels in the blood become dangerously low. This is rare in everyday life but can occur during prolonged intense exercise if you drink excessively without replenishing electrolytes. Drink to thirst and use this calculator as a general guide, not an absolute rule.