Infant Tylenol Dosage Calculator (Acetaminophen)

An infant Tylenol calculator for the US 160 mg/5 mL bottle. For children under 2 years or under 24 lb, the label directs caregivers to a healthcare provider rather than a calculated dose.

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Infants’ Tylenol dosage chart and age limits

Match the 160 mg/5 mL concentration. This page selects the infant bottle and shows its label ranges. The infant branding does not mean a dose is listed for every baby.

Is infant Tylenol the same concentration as children’s Tylenol?

The US liquids shown here both contain 160 mg per 5 mL. Follow the directions and use the measuring device supplied with your own bottle; do not apply this chart to another strength.

Read the manufacturer’s full guidance

Supported bottles

US liquid products supported by this calculator
BottleIngredientStrengthUses
Infants’ TYLENOLAcetaminophen160 mg / 5 mLWeight or age

US liquid products shown here only. Do not apply these amounts to another strength, formulation or country’s product. Use the measuring device supplied with your bottle and read the full label; this page does not reproduce every warning.

Infants’ TYLENOL — 160 mg / 5 mL

Use weight if known; otherwise use age. The weight and age columns are alternatives from the label, not a formula. If the child is outside the listed age range or the weight falls outside a printed band, ask a clinician. Do not interpolate.

Infants’ TYLENOL — 160 mg / 5 mL
Weight (lb)Age on labelLabel amountLabel reference
Under 24Under 2 yearsAsk your child’s doctorUnder 24 lb
24–352–3 years5 mL24–35 lb

Label interval: every 4 hours while symptoms last. No more than 5 doses in 24 hours. Do not combine with another medicine containing acetaminophen.

Full TYLENOL label guidance

Keep another caregiver in the loop

Share this calculator so they can match their own bottle. The link contains no child details or dosage results.

How KinToolkit prepares this information

KinToolkit organizes the selected US liquid medicine labels into bottle-matching tools and reference tables. The calculator and these tables use the same range lookup, not a continuous weight formula. Manufacturer labels are the primary sources; this summary does not establish an independently validated or clinically reviewed dosing protocol.

Label sources checked: . This is a source-check date, not a clinical-review date.

Before using label directions

Verify the active ingredient, concentration and warnings on your own package. KinToolkit is an independent educational tool, not a medical professional or a substitute for your child’s clinician. The brands mentioned above are not affiliated with KinToolkit.

Sources and accessible text

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