Standard pen calculation · 3.0 mL cartridge · 60 U maximum.
Solution volume3 mL · Fixed
Custom pen · mg / 3 mL
Dose to convert
DevicePen
Pen vial capacity3.0 mL
Max injection60 U
U-100 volume scale: 1 U = 0.01 mL. Amount buttons are calculation shortcuts, not dose recommendations.
Mathematical conversion only, not dosing or preparation advice. Uses a fixed 3 mL solution volume; assumes a uniform solution and excludes losses. No schedule or starting dose is recommended.
Research tools Pen calculator