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Water Intake Calculator
Personalized daily hydration based on your body, lifestyle, and environment.
10+ Factors
Daily Schedule
More accurate than basic calculators
Most water calculators only use weight. Ours factors in 10+ variables including activity, climate, altitude, caffeine, alcohol, diet, and health conditions for a truly personalized result.
Basic Information
Fill in weight, age, sex, and activity level to continue
10+ Variables
Goes beyond weight to factor in activity, climate, altitude, caffeine, and more.
Drinking Schedule
Get a personalized timeline of when and how much to drink throughout your day.
Track It
Use your result with our Water Tracker widget to build a daily hydration habit.