← Tools

Reconstitution calculator

Work out exactly how much to draw. Enter your vial strength, the bacteriostatic water you're adding, and your target dose.

10 units

Draw per dose

0.1 mL

= volume

2.5 mg/mL

Concentration

20

Doses per vial

U-100 insulin syringe — draw to 10 units

050 u100 u

Units shown are for a standard U-100 insulin syringe (100 units = 1 mL). Educational tool — double-check all math before dosing.