Most research dosing is measured on a U-100 insulin syringe, where 100 units (IU) = 1 mL. Once you know your concentration, the math is simple.
Step 1 — concentration
Concentration (mg/mL) = peptide in vial (mg) ÷ bacteriostatic water added (mL). Example: 10 mg in 1 mL = 10 mg/mL.
Step 2 — volume for your dose
Volume (mL) = desired dose (mg) ÷ concentration (mg/mL).
Step 3 — units on the syringe
Units = volume (mL) × 100. So at 10 mg/mL, a 250 mcg (0.25 mg) dose = 0.025 mL = 2.5 units.
Skip the arithmetic with our peptide dosage calculator — enter your vial size, water and target dose and it returns your units instantly.
For laboratory and scientific research use only. Not for human or animal consumption. This article is educational and is not medical advice. Always follow your own research plan.