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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Kid Sports Water Intake
Youth-sports hydration.
OpenTeen Athlete Water Intake
Teen athletic target.
OpenTeen Girl Water Intake
Teen female target.
OpenTeen Boy Water Intake
Teen male target.
OpenTeen Menstrual Water Intake
Teen period hydration.
OpenIVF Pregnancy Water Intake
IVF-pregnancy hydration.
OpenHigh-Risk Pregnancy Water
High-risk hydration plan.
OpenPreeclampsia Water Guide
Preeclampsia fluid plan.
OpenPost-C-Section Water
C-section recovery hydration.
OpenPregnancy Water Intake — Week 4
Hydration target for pregnancy week 4 — includes climate and morning-sickness adjustments.
OpenPregnancy Water Intake — Week 6
Hydration target for pregnancy week 6 — includes climate and morning-sickness adjustments.
OpenPregnancy Water Intake — Week 8
Hydration target for pregnancy week 8 — includes climate and morning-sickness adjustments.
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Choose the one that matches your situation from the grid above.
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Weight, activity, climate, species — takes under 30 seconds.
Get your target
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.