Calculators / Reconstitution

Reconstitution calculator

Enter what's in the vial and how much diluent you add. We'll work out the concentration and the syringe mark. Always double-check units.

Concentration
2.5
mg/ml
Volume per dose
0.8
ml
Syringe mark
80
units (U-100)
U-100 insulin syringe, 1 ml = 100 units. Draw to the red line.
2 mg from a 5 mg vial with 2 ml diluent = 0.8 ml, or 80 units on a U-100 syringe. About 2 doses per vial.

Dose / unit converter

IU conversions are compound-specific and appear on profiles where a standard exists (e.g. HCG). Educational tool — not medical advice.