Pediatric Dosing Calculator
Young's, Clark's, Fried's Rules & mg/kg dosing
Pediatric Dose Estimation
Patient Parameters
Select Pediatric Rule
Common Drugs (adult doses shown)
Rule Comparison
| Rule | Formula | Example | Best Use |
|---|---|---|---|
| Young's | Age/(Age+12) | 6yo → 0.33×adult | 1‑12 years |
| Clark's | Weight(lb)/150 | 20kg(44lb) → 0.29×adult | Weight‑based |
| Fried's | Age(months)/150 | 6yo(72m) → 0.48×adult | Infants <1yr |
| mg/kg | mg/kg × weight | 15 mg/kg × 20kg = 300mg | Most accurate |
Important
These rules provide approximate doses. Always verify with official pediatric references and consider individual patient factors (organ function, disease state).