For clinicians
Pediatric clinical calculators and references
Bedside tools for nurses, physicians, pharmacists and students. Every result shows its working, and every table cites its source.
- Pediatric vital signs by ageHeart rate, breathing rate and blood pressure ranges (PALS), with an age lookup and hypotension threshold.
- Body surface area (BSA)Mosteller, cross-checked against Haycock and Du Bois.
- Maintenance IV fluids (4-2-1)Holliday-Segar hourly rate and 24-hour volume.
- Growth percentileWeight and length/height percentiles: WHO under 2, CDC 2-20 years.
- Weight-based dose (mg/kg)mg/kg/day or mg/kg/dose to mL, with a daily cross-check.
- Pediatric dosage calculation formulasmg/kg, BSA, and the historical Clark’s, Young’s and Fried’s rules.
- Dosage calculation practiceUnlimited practice problems with step-by-step answers.