Barrel size (syringe fluid volume) Insulin units Needle length Needle gauge 0.3 mL 30 units of insulin 3/16 inch (5 mm) 28 0.5 mL 30 to 50 units of insulin 5/16 inch (8 mm) 29, 30 The correct ...

They were then asked to measure a 5 mL (1 teaspoon) dose of Tylenol (acetaminophen) suspension, using the EZY Dose oral syringe and the dosing cup provided by the manufacturer. An acceptable dose ...

Although our data suggest that the oral syringe ... in the syringe was less than intended; nevertheless, 64 participants were able to measure a dose within 0.5 mL of the correct dosage.