Water Intake Calculator
Calculated in your browser — we never store your dataPeer-reviewed formulas (Mifflin-St Jeor, WHO)
This calculator provides estimates for informational purposes only. It is not medical advice. Consult a healthcare professional before making health decisions.
Suggested Daily Schedule
Wake UpStart your day hydrated
12 ozMid-MorningBefore or after coffee
15 ozLunchWith your meal
18 ozAfternoonBeat the afternoon slump
20 ozPre-DinnerBefore evening meal
15 ozEveningNot too close to bedtime
12 ozWith ExerciseExtra during workouts
8 ozHydration Tips
- Drink a glass of water first thing in the morning
- Clear or light yellow urine indicates good hydration
- Fruits and vegetables contribute about 20% of daily water intake
- Increase intake during exercise, hot weather, or illness
- Caffeine and alcohol can increase fluid needs slightly
Stay Updated
Get new calculators and tips delivered to your inbox.