Tylenol/Motrin Dosage Calculator

Tylenol & Motrin Dosage Calculator (Weight-based)

Enter the child's weight and age, choose medication and formulation, and get a calculated dose. This is informational only — not medical advice.

Child age (months) Weight

kg lb

Medication Acetaminophen (Tylenol) Ibuprofen (Motrin/Advil) Formulation (mg per mL) -- choose common concentration -- Infant drops 80 mg/0.8 mL (100 mg/mL) *rare* Liquid common (160 mg / 5 mL) → 32 mg/mL Children's ibuprofen 100 mg / 5 mL → 20 mg/mL Enter custom mg/mL Custom concentration (mg per mL)

Dose

Reminder: Check the product label and use the dosing device that comes with the medicine. For infants under 2 months, underlying illness, or chronic conditions, check with a clinician first.

If you suspect an overdose or your child is unresponsive, call emergency services or your local poison control immediately (US Poison Control: 1-800-222-1222).