Estimate a reference amount of extra water for your baby from age and, optionally, weight, on top of breast milk or formula. This is an approximate reference, not medical advice; for any health concern or emergency, contact your pediatrician or emergency services, and follow WHO, CDC or your local health authority guidance.
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How to Use the Baby Water Intake Tool
Enter your baby's age, and optionally a weight, then press Show Water. The tool gives a reference range for extra water beyond milk.
Reading the result
Babies under 6 months usually need no extra water at all.
From 6 months, a few sips from a cup with meals is plenty.
Amounts grow with age, and a larger baby may drink a little more.
Milk stays the main drink through the first year.
Features
Reference extra water by age, optionally adjusted for weight
Clear note that babies under six months usually need no extra water
Reminder to follow your pediatrician on fluids
This is an approximate reference, not medical advice; for any health concern or emergency, contact your pediatrician or emergency services, and follow WHO, CDC or your local health authority guidance.
All processing runs locally in your browser. Your data is not uploaded to any server.
Give extra water before 6 months only when a pediatrician advises it, for example during an illness in hot weather. Too much water can be harmful for young babies.