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
0.4
ml
Syringe mark
40
units (U-100)
U-100 insulin syringe, 1 ml = 100 units. Draw to the red line.
1 mg from a 5 mg vial with 2 ml diluent = 0.4 ml, or 40 units on a U-100 syringe. About 5 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.