Tools

Reconstitution calculator

Pick your syringe size, enter how much peptide is in the vial and how much bacteriostatic water you added, then choose a target amount. The calculator shows the solution's concentration and how far to draw the syringe to measure that amount.

Research use only. This is a measurement reference for laboratory handling — not medical advice and not a guide for use in humans or animals. All VITALS products are supplied strictly for laboratory research use. See our Research Use Only policy.

Syringe size

Peptide in vial (mg)

Bacteriostatic water added (mL)

Target amount to measure

Result

Draw the syringe to 20 units (≈ 0.2 mL)

Concentration: 5 mg/mL — that is 5000 mcg in every 1 mL.

Assumes a standard U-100 insulin syringe (100 units = 1 mL). Figures are rounded for display. For laboratory measurement reference only.

New to reconstitution? The beginner's guide explains what these terms mean and why each step matters. Need bacteriostatic water? It's available here.