How many units is 10 mg of tirzepatide from a 20 mg vial with 2 mL bac water?
100 units on a U100 insulin syringe.
The calculation
- Compound
- Tirzepatide
- Vial mass
- 20 mg
- Bacteriostatic water added
- 2 mL
- Resulting concentration
- 10 mg/mL
- Target dose
- 10 mg
- Syringe type
- U100
- Units to draw
- 100 units
Formula
Units = (Target dose ÷ Vial mass) × Bac water mL × 100
For your specific vial, dose, or bac water volume, use the My Pep Calc reconstitution calculator.
Informational only. Not medical advice. Always confirm vial strength, bac water volume, and target dose with a licensed prescribing provider before injecting.