Free lab tool

Reconstitution & Draw Calculator

Give it your vial strength, the bacteriostatic water you added, and the dose you want. It returns the concentration, the draw volume, and the unit mark to hit on the barrel.

Inputs

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.