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
0.1
ml
Syringe mark
10
units (U-100)
U-100 insulin syringe, 1 ml = 100 units. Draw to the red line.
250 mcg from a 5 mg vial with 2 ml diluent = 0.1 ml, or 10 units on a U-100 syringe. About 20 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.