GLP1 MathTirzepatide 20 mg/mL dosage chart
Every common tirzepatide dose from a 20 mg/mL vial, converted to mL and units on a U-100 insulin syringe. Check that your pharmacy label says 20 mg/mL before using this chart.
| Dose | mL to draw | U-100 syringe |
|---|---|---|
| 1.25 mg | 0.06 mL | 6.25 units |
| 2.5 mg | 0.12 mL | 12.5 units |
| 3.75 mg | 0.19 mL | 18.75 units |
| 5 mg | 0.25 mL | 25 units |
| 7.5 mg | 0.38 mL | 37.5 units |
| 10 mg | 0.5 mL | 50 units |
| 12.5 mg | 0.62 mL | 62.5 units |
| 15 mg | 0.75 mL | 75 units |
Formula: units = dose (mg) ÷ 20 × 100. Each unit on a U-100 syringe holds 0.2 mg of tirzepatide at this strength.
Need a dose that's not listed?
–units on a U-100 insulin syringe
–mL to draw
Questions
How many units is 3.75 mg of tirzepatide at 20 mg/mL?
3.75 mg ÷ 20 mg/mL = 0.19 mL, which is 18.75 units on a U-100 insulin syringe.
How many mg are in 10 units of 20 mg/mL tirzepatide?
10 units is 0.1 mL. 0.1 mL × 20 mg/mL = 2 mg.
How do I know my vial is 20 mg/mL?
Look for 'mg/mL' on the pharmacy label. If the label only gives a total (for example 40 mg in 2 mL), divide the total mg by the total mL to get the strength. If you're unsure, ask your pharmacy before you draw a dose.