Infant Tylenol Dosage Calculator

Acetaminophen Dosing for Infants and Children

Tylenol and other acetaminophen products are widely used for pediatric fever and pain. Weight-based dosing is more reliable than age alone because children of the same age vary in size. This calculator uses 15 mg per kg per dose with standard safety caps, and converts the dose to milliliters, tablets, or dissolve packs depending on product type. For other pediatric medicines, see the Ibuprofen Dosage Calculator.

Single Dose and Daily Limits

The recommended single dose is 10 to 15 mg/kg every 4 to 6 hours as needed, not exceeding five doses in 24 hours. Daily intake should not exceed 75 mg/kg or 4000 mg, whichever is lower. This tool applies a 650 mg cap per single dose and shows the corresponding product amount for oral suspension (160 mg/5 mL), chewable tablets (160 mg), or dissolve packs (160 mg).

When to Consult a Pediatrician

Infants under 24 months should receive acetaminophen only with guidance from a healthcare provider. Always use the measuring device supplied with the product. Do not combine multiple acetaminophen-containing products at the same time. Seek medical care if fever is very high, persists beyond a few days, or the child appears seriously ill.