Calculators
Pediatric medicine calculators
Tools for turning a dose into something you can measure, and for keeping track when you’re giving more than one medicine.
- Pediatric dose calculatorDoses for Tylenol, Motrin, Benadryl, Zyrtec, Claritin and Allegra.
- Weight-based dose calculator (mg/kg)Turn a prescribed mg/kg dose into mL or tablets, with a mg/kg/day cross-check.
- Alternating Tylenol and Motrin scheduleBoth doses for your child’s weight and a 24-hour timetable that stays within each medicine’s limits.
- mL to teaspoon converterConvert medicine doses between mL, teaspoons and tablespoons.
- mg to mL calculatorTurn a dose in mg into mL for any liquid strength.
- Growth percentile calculatorWeight and height percentiles on the WHO (0-2) and CDC (2-20) charts.
- 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.