Peptide Calculator
Calculate concentration, syringe draw volume and approximate units based on vial amount, water added and target research amount.
Example presets only. Always verify your own vial label, water volume and intended research amount.
Enter the total peptide amount printed on the vial label.
Enter how many mL of water were added to the vial.
Enter the target research amount in milligrams.
Select syringe size to estimate where the draw would sit on a common U-100 insulin syringe.
Your target amount will be highlighted once values are entered.
| Units | Volume | Approx. Amount |
|---|---|---|
| Enter values above to generate a reference table. | ||
Common Research Mix Examples
These examples are provided for educational comparison only. Always check your vial label and use the calculator above for your own concentration.
| Peptide | Vial | Water | Example Amount | Approx. Draw |
|---|---|---|---|---|
| BPC-157 | 10 mg | 2 mL | 250 mcg | 5 units |
| TB-500 | 10 mg | 2 mL | 2.5 mg | 50 units |
| MOTS-C | 10 mg | 2 mL | 5 mg | 100 units |
| Retatrutide | 30 mg | 2.5 mL | 2 mg | 17 units |
| Tirzepatide | 10 mg | 2 mL | 2.5 mg | 50 units |
| GHK-Cu | 5 mg | 2 mL | 200 mcg | 8 units |
| Tesamorelin | 10 mg | 2 mL | 1 mg | 20 units |
Peptide Calculator Guide
What does this calculator do?
It converts vial amount and added water into concentration, then estimates the draw volume and U-100 syringe units for a selected research amount.
Units are not milligrams
Insulin syringe units measure volume, not peptide amount. The amount per unit changes depending on the vial size and water added.
Basic formula
Concentration equals vial amount divided by water added. Draw volume equals target amount divided by concentration.
Storage note
Research peptides are commonly discussed as being stored refrigerated and protected from light after reconstitution. Always follow supplier guidance.
Compare Australian Peptide Vendors
After calculating concentration, compare Australian peptide vendors, pricing, package audits and current coupon codes.