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Pediatric Fluid Replacement Calculator

Estimates the hourly oral or IV fluid replacement rate for a dehydrated child based on weight, dehydration severity, ongoing losses, and the desired replacement timeframe. Use it when managing gastroenteritis or other causes of childhood dehydration.

Child's Weight (kg)

Dehydration Severity

Replacement Time Frame

Ongoing Losses

Fill in the required fields to see your result.

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.

Weight (kg)

Height (cm)

Fill in the required fields to see your result.

Key differences

	Pediatric Fluid Replacement Calculator	Pediatric Body Surface Area Calculator
Category	Pediatrics	Pediatrics
Inputs required	4	2
Result	Hourly Fluid Rate (ml/hr)	Body Surface Area (m²)
What it does	Estimates the hourly oral or IV fluid replacement rate for a dehydrated child based on weight, dehydration severity, ongoing losses, and the desired replacement timeframe. Use it when managing gastroenteritis or other causes of childhood dehydration.	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.