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Amoxicillin Pediatric Dosage Calculator

Enter the age and weight of amoxicillin pediatric dosage calculator and estimate the Amoxicillin dosage for adults and children.




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This amoxicillin pediatric dosage calculator determines the dosage for children and adults based on weight or common infection indications.

How Does This Amoxicillin Pediatric Dosage Calculator Work?


  • Enter the age in Weeks, Months, or Years
  • Submit  the weight in Kg, Lb or Stones
  • Choose the strength of Dosage
  • Select the Indication of Dosage
  • Add the Route of Dosage
  • Check your Dosage(Optional)
  • Hit the calculate button to find Amoxicillin dosage


  • Recommended dosage of Amoxicillin
  • Quantity of dosage in mg or ml 

What is Amoxicillin?

Amoxicillin is an antibiotic prepared by penicillin and it is recommended in treating different types of bacterial infections like tonsillitis, bronchitis, UTIs, and pneumonia.

The type of amoxicillin dosage pediatric can be liquid, tablet, or capsule of oral dosage.

Amoxicillin is specially manufactured to kill bacteria or prohibit further growth. It can be used to treat bacterial diseases in adults or children and can be measured accurately by any amoxicillin pediatric dosing calculator.

Amoxicillin Dosage Chart:

The amoxicillin dosage chart by weight for adults and children can be drawn by the condition of the patient and age. The other factor here is the dosage amount and the frequency of the dosage. When you are using the amoxicillin dose calculator, it can be easy for you to find the amoxicillin dose according to the 4 factors mentioned above.  

Condition Age Dosage Frequency 
Acute otitis media (AOM) Any age + severe sx 80-90 mg/kg/day To a max of 4 g/day q8h x 10 days
2mo - 2yo q12h x 10 days
q8h x 10 days
2-5yo q12h x 7 days
q8h x 7 days
≥6yo q12h x 5-7 days
q8h x 5-7 days
Pneumonia ≥3mo 90 mg/kg/day To a max of 4 g/day q8h x 7-10 days
Acute bacterial rhinosinusitis Low-dose ≥2yo 45 mg/kg/day To a max of 4 g/day q12h x 5-10 days
High-dose ≥2yo 80-90 mg/kg/day To a max of 4 g/day q8h x 7-10 days
Group A streptococcal tonsillopharyngitis 3-18yo 50 mg/kg/day To a max of 1 g/day q12h x 10 days
Urinary tract infection (UTI) Any age 40 mg/kg/day To a max of 1.5 g/day q8h x 7 days

Amoxicillin Dosage by Weight:

The amoxicillin dosage can be changed by the increasing weight of the child. We can use the amoxicillin dosage for strep throat or use simple oral passages for infants. The following amoxicillin pediatric dosing for various weights of the children are used by our amoxicillin dosage calculator: <

Age Weight Strength mg ml Dosage
1-month 4.5Kg amoxicillin 125mg/5ml dosage for child 67.5 - 135 2.7 - 5.4 3 Times Per Day
3 month 7 Kg amoxicillin 250mg/5ml dosage for child 105 - 210 2.1 - 4.2 3 Times Per Day
6 month 15 Kg amoxicillin 250mg/5ml dosage for child 225 - 450 4.5 - 9 3 Times Per Day
2 years 15 kg amoxicillin dosage for 2 year old 255 - 510 5.1 - 10.2 3 Times Per Day
5  year 20 kg amoxicillin 250mg/5ml dosage for child 300 - 600 6 - 12 3 Times Per Day
10  year 30 Kg amoxicillin 400mg/5ml dosage for child 450 - 900 5.625 - 11.25 3 Times Per Day
15  year 35 Kg amoxicillin 400 mg/5 ml susp dosage for child 525 - 1050 6.5625 - 13.125 3 Times Per Day
16 years 40 Kg amoxicillin 250mg/5ml dosage for child 600 - 1200 12 - 24 3 Times Per Day
17 years 50 Kg amoxicillin 400 mg/5 ml susp dosage for child 750 - 1500 9.375 - 18.75 3 Times Per Day


How Many Days Should I Take 500mg of Amoxicillin 500mg?

Amoxicillin is typically taken for five to 10 days or until the infection is cleared. Bacterial diseases are usually treated with amoxicillin 500mg. Moreover, you can calculate the exact amount using an amoxicillin calculator.

Can I take Amoxicillin on an Empty Stomach?

You can take it with or without food as it has no connection with the food. If it is upsetting your stomach, take it with food as an empty stomach is usually more reactive for the amoxicillin dose by weight. 

What is the Maximum Dose of Amoxicillin in Pediatrics?

This can be better measured by co amoxiclav pediatric dose calculator but 4 grams of Amoxicillin is considered as the maximum dose. If you are having the amoxicillin by mouth then you can consume 500 mg per dose else you can consume 1 g per dose.


All the Amoxicillin Pediatric Dosage Calculator calculations were made on the predefined estimation, consult the Doctor before deciding the specific dose of Amoxicillin.


From the source of Wikipedia: Amoxicillin,Medical uses

From the source of Amoxicillin, Why is this medication prescribed

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