General Pediatric Dose Calculator
Enter the child's weight, desired mg/kg dose, and formulation details to convert medication dosages into mg, mL, or tablets per dose and per day.
Example: 10 mg/kg/dose.
Enter how many times per 24 hours the medication is given.
Leave 0 if not using a liquid formulation.
Enter 0 if tablets do not apply.
Set to 0 to skip capping (e.g., for antibiotics).
Dosage Results
Per dose
220 mg
≈ 8.8 mL • ≈ 0.88 tablets
Daily total
660 mg/day
Planned 3 doses/day. No maximum set.
How to Use This Calculator
Confirm weight and dosing guideline
Use evidence-based mg/kg recommendations for the specific medication.
Enter formulation details
Provide suspension concentration or tablet strength to convert mg into practical units.
Apply daily maximum if necessary
Use for hepatotoxic meds (acetaminophen) or to respect maximum antibiotic dosing.
Formula
Per dose (mg) = weight (kg) × mg/kg dose.
Adaptable to any weight-based medication when combined with drug-specific references (Lexicomp, Harriet Lane, institutional protocols).
Frequently Asked Questions
Where do I find mg/kg recommendations?
Use trusted references: AAP Red Book, Harriet Lane Handbook, UpToDate®, or institutional guidelines.
How should I round tablet doses?
Round to the nearest feasible tablet fraction (¼, ½). When in doubt, consult a pharmacist.
Can this calculate continuous infusions?
This tool targets intermittent dosing. For infusions, use weight-based infusion calculators.
What if liquid concentration is unknown?
Check the prescription label or manufacturer instructions before dosing.
Does it adjust for renal/hepatic impairment?
No. Modify dosing per renal/hepatic guidelines or consult subspecialists.