CloseDose: Pediatric Medication Calculator

New: allergy medication calculator Cetirizine, loratadine, fexofenadine, and guarded Benadryl guidance. Cough & cold guidance Why we avoid cold-medicine calculators, plus honey tips for kids over 1 year.

Need to weigh your baby first? See our quick tared-scale guide for infants who can't stand on a scale alone. How to measure the dose? Syringe vs cup, how to read mL markings, and common mistakes to avoid.

Safety quick-reference

Always use the syringe or cup that came with the medicine.
Re-check your child's weight every few months.
Wait at least 6 hours between doses of the same medicine.
Ibuprofen is not for infants under 6 months.

When to call for help

Call 911 for trouble breathing, persistent vomiting, or seizures.

Poison Control: 1-800-222-1222

Any fever in a child under 2 months is a medical emergency — contact your pediatrician immediately.

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Important

Disclaimer & medical safety

This calculator is for educational support only and does not replace guidance from your pediatrician or pharmacist. Always confirm dosing before administering medication.

If your child is 0–2 months of age or has any complex medical history, please consult with your medical care team prior to use.

When to seek care: Call 911 or your pediatrician for trouble breathing, persistent vomiting, or seizures.

Read the full disclaimer →