insulin syringe volume

Hello, I am trying to figure out how much 40 mg of testosterone in units of a 100 Unit 0.5ml syringe is. Could someone please help? Thank you.

Thinking ahead about my next syringe order: I'm currently using 1cc-ml syringes and it takes about 1 minute to draw my dose of T cyp in grapeseed oil. My dose is small, and for dose accuracy I could get away with lower power reading glasses if I could use 0.5 or even 0.3cc-ml syringes. These...