GHK-Cu Reconstitution & Dosage Calculator

GHK-Cu vials vary by supplier and label amount. Enter the exact amount printed on your vial — not an example — along with the bacteriostatic water you added and the dose you already have, to get a concentration and syringe draw. This free tool doubles as a GHK-Cu injection dosage calculator — reconstitution and dosage are just two steps of the same math.

GHK-Cu vials are commonly sold in 50 mg and 100 mg sizes. Enter your vial's actual labeled amount, not one of these examples.

Peptide amount in vial

The total peptide mass printed on your vial label.

mgmcg

Bacteriostatic water added

How much water you added to reconstitute the vial.

Desired dose

The dose you already have — this tool converts it, it doesn't choose it for you.

mgmcg

Syringe size (U-100)

0.3 mL0.5 mL1.0 mL

Results

Syringe draw

—u

Enter your dose above

Concentration (mg/mL): —
Concentration (mcg/mL): —
Injection volume: Enter your dose above
mcg per unit: —
Doses per vial: —

Formula: dose ÷ concentration × 100 — see methodologyFormulas verified: July 23, 2026No data leaves your browser

Arithmetic only — this tool does not recommend a dose.

How this calculator works

Concentration = peptide amount ÷ bacteriostatic water volume.
Injection volume = your dose ÷ that concentration.
Syringe units = injection volume × 100, since a U-100 syringe holds 100 units per mL.

GHK-Cu peptide injection dosage chart

This chart converts between units only — it is not a recommended dose for any compound. Your prescribed or protocol dose comes from your own paperwork, not this chart.

mg to mcg
mg	mcg
0.1 mg	100 mcg
0.25 mg	250 mcg
0.5 mg	500 mcg
1 mg	1,000 mcg
2 mg	2,000 mcg
5 mg	5,000 mcg
10 mg	10,000 mcg

mL to U-100 syringe units
mL	Units
0.05 mL	5 units
0.1 mL	10 units
0.2 mL	20 units
0.25 mL	25 units
0.5 mL	50 units
0.75 mL	75 units
1.0 mL	100 units

How much bacteriostatic water for GHK-Cu?

Concentration, not a preset recipe, is what the water volume for GHK-Cu controls — there's no amount that's inherently right. A GHK-Cu vial reconstituted with less water yields a stronger mix and a smaller draw per dose; with more water, a weaker mix and a larger draw. Enter your GHK-Cu vial's mg and water volume above to see which applies.

GHK-Cu units calculator

Reading a GHK-Cu draw straight off a U-100 syringe means reading units, not milliliters — the barrel is scaled 100 units to 1 mL. This calculator does the underlying math for you: your GHK-Cu vial's concentration and your dose become an injection volume, then that volume becomes the unit count printed on the barrel.

Frequently asked questions

Is this a free GHK-Cu peptide calculator?

Yes. It runs entirely in your browser, with no account, no login, and no data sent anywhere — enter your vial amount, water volume, and dose to get a concentration and syringe draw.

Is this a GHK-Cu injection dosage calculator?

Yes. Reconstitution and dosage are two steps of the same calculation: this tool first works out your GHK-Cu vial's concentration from its amount and water volume, then — once you enter a dose — converts that dose into an injection volume and syringe unit count.

What size are GHK-Cu vials?

GHK-Cu vials are commonly sold in 50 mg and 100 mg sizes, but always use the exact amount printed on your own vial's label rather than one of these examples — label amounts vary by supplier, and the calculator works identically for any amount you enter.

Is there a GHK-Cu peptide injection dosage chart?

See the mg/mcg and mL/units conversion chart below. It converts between units only — it does not list a recommended GHK-Cu dose, which should come from your own prescription or protocol.

Does GHK-Cu dosage use mg or mcg?

Both units appear on different suppliers' labels and protocols. 1 mg = 1,000 mcg. The calculator above has an mg/mcg toggle for both the vial amount and the dose field — match whichever unit is printed on your paperwork.

What is GHK-Cu peptide?

GHK-Cu is a copper-binding tripeptide (glycyl-L-histidyl-L-lysine bound to copper) commonly sold as a research vial for reconstitution. This page is a calculator, not a reference guide — it converts your vial's label amount and water volume into a concentration and, once you enter a dose, a syringe draw.

How do I calculate GHK-Cu dosing from a vial?

Divide the GHK-Cu amount on your vial label by the water volume you added to get concentration in mg/mL, then divide your dose by that concentration to get an injection volume — multiply by 100 to read it in units on a U-100 syringe. The calculator above does all three steps for you.

Is this calculator affiliated with a specific GHK-Cu brand or supplier?

No. This calculator is not affiliated with any peptide manufacturer or supplier — it performs the same arithmetic conversion regardless of where your vial came from.

Is this GHK-Cu calculator medical advice?

No. It applies one formula — mass divided by volume, then dose divided by concentration — to the numbers you enter. It does not suggest a dose, a vial size, or a solution volume. See the medical disclaimer for full detail.

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Educational tool only, not medical advice — verify with a licensed clinician. See the full medical disclaimer.