Free lab tool

Reconstitution & Draw Calculator

Vial strength, BAC water volume, and target dose convert into concentration, draw volume, and U-100 barrel units.

Vial size (mg)

BAC water added (mL)

Target dose

Dose unit

Syringe size (U-100 scale)

All standard insulin syringes are U-100: 100 units = 1 mL, regardless of barrel size.

This tool performs arithmetic only. It does not verify that a dose is safe, appropriate, or legal for any individual or compound. See the disclaimer.