Calculator

Peptide reconstitution calculator

Enter your vial size, the bacteriostatic water you'll add, and the target dose per injection. You'll get the concentration, the per-injection volume, and the units on a U-100 insulin syringe. Educational only — not medical advice.

Vial size (mg)

Bacteriostatic water added (ml)

Target dose per injection

Syringe size

Concentration5 mg/ml

Per injection (volume)0.1 ml

Per injection (insulin syringe)10 units

Doses per vial20

Fill on a 0.5 ml syringe20%

U-100 insulin syringesare marked in units, where 100 units = 1 ml. The most common sizes are 0.5 ml (max 50 units) and 1 ml (max 100 units). Doses larger than your syringe's max need either a bigger syringe or two injections in different sites.