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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Pregnancy Water — Week 26
Trimester-adjusted fluid target for pregnancy week 26.
OpenPregnancy Water — Week 27
Trimester-adjusted fluid target for pregnancy week 27.
OpenPregnancy Water — Week 29
Trimester-adjusted fluid target for pregnancy week 29.
OpenPregnancy Water — Week 30
Trimester-adjusted fluid target for pregnancy week 30.
OpenBaby Water Intake — Month 1
Fluid guidance for a 1-month-old baby including formula and solids.
OpenBaby Water Intake — Month 2
Fluid guidance for a 2-month-old baby including formula and solids.
OpenBaby Water Intake — Month 3
Fluid guidance for a 3-month-old baby including formula and solids.
OpenBaby Water Intake — Month 4
Fluid guidance for a 4-month-old baby including formula and solids.
OpenBaby Water Intake — Month 5
Fluid guidance for a 5-month-old baby including formula and solids.
OpenBaby Water Intake — Month 6
Fluid guidance for a 6-month-old baby including formula and solids.
OpenBaby Water Intake — Month 7
Fluid guidance for a 7-month-old baby including formula and solids.
OpenBaby Water Intake — Month 8
Fluid guidance for a 8-month-old baby including formula and solids.
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Weight, activity, climate, species — takes under 30 seconds.
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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.