Peptide Reconstitution Calculator

Enter your vial size, water volume, and desired dose to calculate exact injection volumes. For laboratory research use only.

Research Use Only: This calculator is a reference tool for laboratory researchers. All results are for informational purposes only. HelixLabs peptides are not intended for human consumption.

Reconstitution Inputs

Total milligrams (mg) on the vial label
Milliliters (mL) of bacteriostatic water
Amount per dose (enter value, select unit below)
Most peptides are dosed in mcg
Standard U-100 insulin syringes are most common
Doses per week
How many injections per week

Quick Presets

5mg · 2mL · 250mcg 10mg · 2mL · 500mcg 2mg · 1mL · 100mcg 5mg · 1mL · 250mcg 10mg · 2mL · 1mg

Syringe Visual Guide

Enter your values above
and click Calculate →
Volume
—
Concentration
—
Vial Doses
—
Days Supply
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Full Results

Inject Per Dose
—
mL per injection
Syringe Units
—
IU on syringe
Concentration
—
mcg per mL
Vial Doses
—
doses total

Dose Schedule

Dose mL to inject Syringe units (IU) Cumulative mcg

Days Supply

Doses in Vial
—
total doses
Days Supply
—
at 1 dose/day
Total Peptide
—
mcg in vial
Per Day
—
mcg daily

Formula Reference

Concentration (mcg/mL) = Peptide (mcg) ÷ BAC Water (mL)
Inject Volume (mL) = Desired Dose (mcg) ÷ Concentration (mcg/mL)
Syringe Units (IU) = Inject Volume (mL) × Syringe Max Units
Doses per Vial = Total Peptide (mcg) ÷ Dose (mcg)

Example: 5mg vial + 2mL BAC water → 2,500 mcg/mL concentration. For a 250mcg dose: 250 ÷ 2,500 = 0.1 mL (10 IU on a 100-unit syringe).
© 2026 HelixLabs · Research use only · Not for human consumption