Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
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.
Fill in the required fields to see your result.
Pediatrics
Pediatric Medication Dosage Calculator
Calculates the correct medication dose for a child from their weight and the prescribed dose per kilogram. Used by parents, nurses, and caregivers to prepare accurate doses of common pediatric medicines — always verify against the maximum-dose cap.
Fill in the required fields to see your result.
Key differences
| Pediatric Body Surface Area Calculator | Pediatric Medication Dosage Calculator | |
|---|---|---|
| Category | Pediatrics | Pediatrics |
| Inputs required | 2 | 2 |
| Result | Body Surface Area (m²) | Total Dose (mg) |
| What it does | 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. | Calculates the correct medication dose for a child from their weight and the prescribed dose per kilogram. Used by parents, nurses, and caregivers to prepare accurate doses of common pediatric medicines — always verify against the maximum-dose cap. |