Water Intake Calculator
Staying hydrated supports energy, appetite control, and recovery. See a simple daily water target for your body and activity.
Enter your weight and activity to see your daily water target.
A general guide based on body weight. Your needs vary with climate, health, and medications. Not medical advice. Consult a licensed physician if you have kidney or heart conditions.
Good to know
How much water should I drink?
A common guide is about 35 ml per kg of body weight, and more when you are active or in hot weather.
Do coffee and tea count?
Most fluids contribute to hydration, though plain water is best. This tool estimates your total daily water.
Can I drink too much water?
Rarely, but yes; very high intake can be harmful. Spread it through the day, and consult a physician if you have heart or kidney conditions.