Medication Dosage Calculator
An educational, weight-based dose reference for common OTC medications. This is not medical advice - always confirm dosing with a pharmacist, doctor, or the product label.
Medical disclaimer. This calculator is provided for educational and informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional regarding your health, diet, exercise, or medication decisions. Read full disclaimer →
About Medicine Dosage Calculator
This calculator computes weight-based paediatric and adult medication dosages using the formula: Dose = Weight (kg) x Dose per kg (mg/kg). Common weight-based dosing examples: Paracetamol 10-15 mg/kg every 4-6 hours (max 60 mg/kg/day); Ibuprofen 5-10 mg/kg every 6-8 hours (max 40 mg/kg/day); Amoxicillin 25-45 mg/kg/day divided every 8 hours.
Important: This calculator is a reference tool only - always verify dosage with a registered pharmacist or physician before administering. Doses for renally or hepatically impaired patients require adjustment. Maximum adult doses apply regardless of weight above approximately 50kg for most drugs. Paediatric dosing differs significantly from adult dosing due to differences in drug metabolism and elimination. Never exceed stated maximum doses. For emergency situations always contact a healthcare provider immediately.