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Daily Fluid Requirements Calculator vs Pediatric Body Surface Area Calculator

Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.

Medicine

Daily Fluid Requirements Calculator

Estimates a patient's daily fluid needs using the Holliday-Segar method, a tiered weight-based formula. Used by clinicians and nurses to calculate maintenance IV fluids or oral fluid targets for pediatric and adult patients.

Answers
Daily Fluid Requirements (mL/day)
Inputs
Weight
Pediatrics

Pediatric Body Surface Area Calculator

Estimates a child's body surface area (BSA) in m² using the Mosteller formula. Used by clinicians to calculate pediatric drug doses, IV fluid rates, and chemotherapy regimens.

Answers
Body Surface Area (m²)
Inputs
Weight, Height

At a glance

Daily Fluid Requirements CalculatorPediatric Body Surface Area Calculator
CategoryMedicinePediatrics
AnswersDaily Fluid RequirementsBody Surface Area
Inputs12
Result unitmL/day

When to use each

Estimates a patient's daily fluid needs using the Holliday-Segar method, a tiered weight-based formula. Used by clinicians and nurses to calculate maintenance IV fluids or oral fluid targets for pediatric and adult patients.

Estimates a child's body surface area (BSA) in m² using the Mosteller formula. Used by clinicians to calculate pediatric drug doses, IV fluid rates, and chemotherapy regimens.

Compare page seeded from editorial siblings — both calculators list each other as related.