Kids & Pregnancy
Water intake for children, babies, teenagers, pregnancy, and breastfeeding mothers.
Most popular in Kids & Pregnancy
Child Water Intake (1–13 yrs)
Daily fluid needs for children using the clinical Holliday–Segar rule, adjusted for climate.
Open calculatorPregnancy Water Intake
Trimester-based daily water target supporting healthy pregnancy hydration.
Open calculatorBreastfeeding Water Intake
Daily fluid target for lactating mothers, scaled to feeding pattern.
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Baby Water Intake — 12 Month
Safe fluid amount for a 12 month old — formula, milk, and water balance.
OpenBaby Water Intake — 15 Month
Safe fluid amount for a 15 month old — formula, milk, and water balance.
OpenBaby Water Intake — 18 Month
Safe fluid amount for a 18 month old — formula, milk, and water balance.
OpenBaby Water Intake — 2 Year
Safe fluid amount for a 2 year old — formula, milk, and water balance.
OpenBaby Water Intake — 3 Year
Safe fluid amount for a 3 year old — formula, milk, and water balance.
OpenBaby Water Intake — 4 Year
Safe fluid amount for a 4 year old — formula, milk, and water balance.
OpenBaby Water Intake — 5 Year
Safe fluid amount for a 5 year old — formula, milk, and water balance.
OpenBaby Water Intake — Preemie
Safe fluid amount for a preemie old — formula, milk, and water balance.
OpenPregnancy Water — Week 21
Trimester-adjusted fluid target for pregnancy week 21.
OpenPregnancy Water — Week 22
Trimester-adjusted fluid target for pregnancy week 22.
OpenPregnancy Water — Week 23
Trimester-adjusted fluid target for pregnancy week 23.
OpenPregnancy Water — Week 25
Trimester-adjusted fluid target for pregnancy week 25.
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A research-backed daily target plus an hourly schedule.
Learn the science behind kids & pregnancy
Read our in-depth guides for research-backed context on every calculator here.