Amoxicillin 125mg/5mL Dosage Calculator for Children
Calculate the correct mL dose of amoxicillin 125mg/5mL suspension for infants and young children based on weight.
Amoxicillin 125mg/5mL
Calculate the correct mL dose of amoxicillin 125mg/5mL suspension for infants and young children based on weight.
This calculator provides mathematical estimates only. Always verify dosages with a qualified healthcare professional before administering any medication.
Visual Syringe Guide
Use this interactive syringe visualization to verify your calculated dose. Enter the volume from your calculation above to see exactly where the plunger should land.
Syringe Configuration
For a 0.50 mL dose, pull the plunger back until the top ring of the black stopper aligns with the corresponding mark.
Important Disclaimer
This calculator provides estimates for informational purposes only. Always consult a healthcare professional before making medical decisions.
About This Calculator
Amoxicillin 125mg/5mL is the lowest concentration pediatric suspension, ideal for infants and very young children who need smaller doses. This formulation makes it easier to measure accurate doses for the smallest patients.
How It Works
Enter your child's weight and the prescribed dosing regimen. The calculator determines the exact volume needed for each dose using the 125mg/5mL concentration.
Frequently Asked Questions
Clinical Review

Dr. Igor I. Bussel is a board-certified ophthalmologist and fellowship-trained surgeon affiliated with the University of California, Irvine (UCI), the Gavin Herbert Eye Institute, and the UCI School of Medicine.
Sources & Guidelines
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References
Reviewed by: Pediatric Clinical Review Team (MD, FAAP)
Last updated: 2025-01-05