Children's Motrin (Ibuprofen) Dosage Calculator by Weight
Calculate the correct dose of Children's Motrin or Advil (ibuprofen 100mg/5mL) based on your child's weight. Safe dosing for children 6 months and older.
Children's Motrin
Calculate the correct dose of Children's Motrin or Advil (ibuprofen 100mg/5mL) based on your child's weight. Safe dosing for children 6 months and older.
Do not give more than 4 doses in 24 hours. Wait at least 6 hours between doses. Not for use in children under 6 months. Give with food to reduce stomach upset. Always use the measuring device provided.
Visual Syringe Guide
Use this interactive syringe visualization to verify your calculated dose. Enter the volume from your calculation above to see exactly where the plunger should land.
Syringe Configuration
For a 0.50 mL dose, pull the plunger back until the top ring of the black stopper aligns with the corresponding mark.
Important Disclaimer
Do not give more than 4 doses in 24 hours. Wait at least 6 hours between doses. Not for use in children under 6 months. Give with food to reduce stomach upset. Always use the measuring device provided.
About This Calculator
Children's Motrin and Advil contain ibuprofen, an NSAID that reduces fever and relieves pain and inflammation. The standard children's liquid concentration is 100mg/5mL. Ibuprofen is approved for children 6 months and older.
How It Works
Enter your child's weight and select the dosing strength. The calculator uses the 5-10 mg/kg guideline to determine the correct volume. Ibuprofen should be given with food to minimize stomach upset.
Frequently Asked Questions
Clinical Review
Dr. Igor I. Bussel is a board-certified ophthalmologist and fellowship-trained surgeon affiliated with the University of California, Irvine (UCI), the Gavin Herbert Eye Institute, and the UCI School of Medicine.
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References
- Ibuprofen Dosing for Children - HealthyChildren.org (AAP)
- Motrin Dosing Information - Johnson & Johnson
Reviewed by: Pediatric Clinical Review Team (MD, FAAP)
Last updated: 2025-01-05