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Peptide Reconstitution Calculator (Free, 2026)

By the Banger Labs Research Team · Updated June 2026

How it works: Concentration = (vial mg × 1000) ÷ bacteriostatic water (ml). Enter your numbers below to get mcg/ml and the volume/units to draw on a U-100 syringe.
Reconstitution calculator
Enter the vial amount (mg) and bacteriostatic water (ml) to begin.

For research handling/measurement only. This tool performs arithmetic on values you enter; it is not dosing guidance and not medical advice.

Common reconstitution reference (research)

A quick reference for typical vial + bacteriostatic-water combinations (concentration only — always verify against your own COA and compound):

Vial BAC water Concentration
5 mg 1 ml 5000 mcg/ml
5 mg 2 ml 2500 mcg/ml
10 mg 2 ml 5000 mcg/ml
10 mg 3 ml 3333 mcg/ml
2 mg 1 ml 2000 mcg/ml
30 mg 3 ml 10000 mcg/ml

How to use the result

The calculator returns the solution concentration and, if you enter a target amount, the volume to draw and the equivalent units on a U-100 insulin syringe. Reconstitute with bacteriostatic water, swirl (don’t shake), and store reconstituted vials refrigerated — see the reconstitution & storage guide.

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By the Banger Labs Research Team. For research use only. Not for human or veterinary use. Not a drug, food, or cosmetic.