Paediatric Dose Calculator Medical Calculators Medical Calculators Step 1: Calculate Age Enter Birthday (dd/mm/yyyy): Current Age (Years): Current Age (Months): Step 2: Best Guess Weight Formula Weight: Step 3: Dose Calculator Enter Weight (kg): Enter Age (Years): Enter Age (Months): Condition: Allergic Reaction Anaphylaxis Asplenia/Hyposplenism Asthma (Mild/Moderate) Asthma (Severe) Bites (animal/human) Cellulitis – Mild/moderate Dose: