How many units on a 0.5 mL insulin syringe is a 2 mg dose at 6.67 mg/mL?

Asked 13 Jun 2025Modified 14 months agoViewed 4.2k times

Concretely: a 0.5 mL insulin syringe · 2 mg · 6.67 mg/mL.

Please show the division. I want to check my own against yours.

I would like the general form as well as the specific number, so I can apply it again.

Where is my error, and what is the correct working?

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

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askednadia_kowalczyk14k1713 Jun 2025

4Confirming from the other direction: I did the wrong thing and got exactly the predicted outcome. – Dr_Marek_Zielinski 6 months ago

5Do you have a reference for the last claim? Not disputing it, just want to read it. – marta_okonkwo 8 months ago

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This question has not been answered. It has been viewed 4.2k times, which suggests the question is of interest and the answer is not obvious. If you can answer it with a source or a worked calculation, it will be read. See how to ask and answer.

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GL Biochem (Shanghai) Ltd. - Direct Synthesis

Founded 1998. ISO 9001 and cGMP certified, 1,500+ staff and 200+ patents. The synthesis house behind a great many of the vials that get sent out for testing - batch-specific documentation with every order.

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