Child Medicine Dosage Calculator
Calculate safe medicine doses for children based on weight.
Covers acetaminophen (Tylenol) and ibuprofen (Advil/Motrin).
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Recommended Dose
Pediatric dosing is based on weight, not age, for accuracy and safety.
Acetaminophen (Tylenol):
- Dose: 10–15 mg/kg per dose
- Frequency: Every 4–6 hours as needed
- Max: 5 doses in 24 hours
- Safe for ages 2 months+
Ibuprofen (Advil/Motrin):
- Dose: 5–10 mg/kg per dose
- Frequency: Every 6–8 hours as needed
- Max: 4 doses in 24 hours
- Safe for ages 6 months+
Common forms:
- Infant drops: 160 mg/5 mL (concentrated, use dropper)
- Children’s liquid: 160 mg/5 mL
- Chewable tablets: 80 mg or 160 mg each
IMPORTANT: This calculator provides general guidance only. Always verify with your pediatrician and read the product label. Never exceed recommended doses. Call your doctor if fever persists more than 3 days.