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Acetaminophen Pediatric Dose Calculator

Accurately calculate acetaminophen pediatric dose with our Tylenol dosage calculator based on mg/kg weight. Safe & easy dosing for infants & children.

Leave blank if calculating mg dose only

Acetaminophen, commonly known as paracetamol or Tylenol, is one of the most widely used medications for reducing fever and relieving mild to moderate pain in children. However, accurate dosing is crucial to ensure effectiveness while avoiding potential overdose risks.

Our Acetaminophen Pediatric Dose Calculator helps parents and healthcare providers determine the correct dosage based on a child's weight. This tool ensures precise calculations using the recommended mg/kg dosage guidelines.

Understanding Acetaminophen Dosage for Children

The correct acetaminophen pediatric dose is typically calculated based on weight. The standard dosing recommendation is:

  • 10 to 15 mg per kg per dose, given every 4 to 6 hours
  • Maximum 75 mg per kg per day, but not exceeding 4000 mg in 24 hours

How to Use the Acetaminophen Pediatric Dose Calculator

Our calculator simplifies the process by automatically calculating the safe dose range for your child.

Steps to use the calculator:

  1. Enter your child's weight in kilograms (kg) or pounds (lbs).
  2. Select the unit (kg or lbs) to ensure accurate conversion.
  3. Enter the liquid concentration in mg/mL (if using a liquid formulation).
  4. Click on the "Calculate Dose" button.

The calculator will display the minimum and maximum dose per administration, along with the maximum daily dose.

Acetaminophen Dosage Chart Based on Weight

Weight (kg)Weight (lbs)Min Dose (mg)Max Dose (mg)Max Daily Dose (mg)
5 kg11 lbs50 mg75 mg375 mg
10 kg22 lbs100 mg150 mg750 mg
15 kg33 lbs150 mg225 mg1125 mg
20 kg44 lbs200 mg300 mg1500 mg
25 kg55 lbs250 mg375 mg1875 mg
30 kg66 lbs300 mg450 mg2250 mg
40 kg88 lbs400 mg600 mg3000 mg

Infant Tylenol Dosage Chart (160 mg/5mL Liquid)

Weight (kg)Weight (lbs)Min Volume (mL)Max Volume (mL)
5 kg11 lbs1.5 mL2.5 mL
10 kg22 lbs3 mL5 mL
15 kg33 lbs4.5 mL7.5 mL
20 kg44 lbs6 mL10 mL
25 kg55 lbs7.5 mL12.5 mL

Final Verdict

Administering the right acetaminophen dose is essential for safety and effectiveness. Always use a weight-based approach rather than relying solely on age guidelines. Never exceed 4000 mg per day and ensure proper dosing intervals of 4 to 6 hours.

If unsure about the correct dosage, consult a pediatrician or healthcare professional before giving acetaminophen to your child.

FAQs

What is the maximum Tylenol dose for a child in 24 hours?

The maximum daily limit is 75 mg per kg but should not exceed 4000 mg per day.

How often can I give acetaminophen to my child?

Acetaminophen can be given every 4 to 6 hours, but no more than 5 doses in 24 hours.

Can I use this calculator for ibuprofen dosage?

No, this calculator is only for acetaminophen. The recommended ibuprofen dose is 5 to 10 mg per kg every 6 to 8 hours.

Is it safe to use acetaminophen and ibuprofen together?

Yes, in some cases, alternating between acetaminophen and ibuprofen may be recommended. However, always consult a doctor before doing so.

Can adults use this calculator?

Yes, but adult dosing is generally 500 mg to 1000 mg every 6 hours, not exceeding 4000 mg per day.