Biology & Medicine / Medical Dosage
Drug Dosage by Weight Calculator
For checking a calculation you already understand, not for choosing a dose. Always follow the prescriber's order, the product label and your institution's protocol, and have a second person verify high-risk drugs.
Unit
Unit
That amount is
Per
e.g. 200 mg per 5 mL: strength 200, volume 5
Adult maximum from the label, if any
Each dose
270 mg
= 8.44 mL
18 kg × 15 mg/kg = 270 mg per dose · 1,080 mg a day in 4 doses
Volume = dose (mg) ÷ concentration (32 mg per mL). Unit mistakes, such as mcg for mg or a 5 mL strength read as per mL, are the most common dosing errors.
Use this drug dosage by weight calculator to compute medical dosage results from your inputs.