Amoxicillin Pediatric Dosage Calculator

Your details

Current body weight of the child. For infants under 1 month, consult a physician directly.
kg
Select the infection type or indication as directed by your child's doctor.
Check the label on the bottle. Common concentrations are 125, 200, 250, or 400 mg per 5 mL.
Dose per administrationWithin standard range
266.7mg

Amount of amoxicillin for each individual dose

Total daily dose800mg
Liquid volume per dose5.33mL
Doses per day3
mg/kg/day40mg/kg/day
40 mg/kg/day
Standard dose<30Standard-to-high dose30-60High dose60-90Above max90+

Recommended dose for a general oral infection: 266.7 mg per administration.

  • Give 266.7 mg per dose, three times daily (every 8 hours). Total daily dose: 800.0 mg.
  • Using a 250 mg/5 mL suspension, measure 5.33 mL (about 1.07 teaspoons) per dose.
  • Always complete the full prescribed course even if symptoms improve early.

Next stepThis result is an educational estimate. Confirm the dose, duration, and frequency with your child's prescribing clinician before administering.

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