GLP1 Math4 units to mg
4 units on a U-100 insulin syringe is 0.04 mL. How many mg that is depends on the strength printed on your vial. Find yours below.
0.04 mLliquid in 4 units
0.1 mgsemaglutide at 2.5 mg/mL
0.4 mgtirzepatide at 10 mg/mL
4 units of semaglutide
| Vial strength | 4 units = |
|---|---|
| 1 mg/mL | 0.04 mg of semaglutide |
| 2 mg/mL | 0.08 mg of semaglutide |
| 2.5 mg/mL | 0.1 mg of semaglutide |
| 3 mg/mL | 0.12 mg of semaglutide |
| 5 mg/mL | 0.2 mg of semaglutide |
4 units of tirzepatide
| Vial strength | 4 units = |
|---|---|
| 5 mg/mL | 0.2 mg of tirzepatide |
| 10 mg/mL | 0.4 mg of tirzepatide |
| 15 mg/mL | 0.6 mg of tirzepatide |
| 20 mg/mL | 0.8 mg of tirzepatide |
| 30 mg/mL | 1.2 mg of tirzepatide |
Formula: mg = units ÷ 100 × vial strength (mg/mL).
Other unit amounts
2 units3 units5 units6 units7 units8 units10 units12 units12.5 units15 units16 units17 units18 units20 units22 units24 units25 units30 units32 units35 units40 units45 units50 units60 units70 units75 units80 units100 units
Check a different number
Open the units → mg calculator
Questions
How many mg is 4 units?
4 units is always 0.04 mL of liquid. The mg depends on your vial strength: 0.1 mg of semaglutide at 2.5 mg/mL, or 0.4 mg of tirzepatide at 10 mg/mL.
Is 4 units a lot?
4 units is 0.04 mL, which is less than a third of a 1 mL insulin syringe. Whether the dose is right for you is a question for your prescriber; this page only converts the volume.
Why is the same number of units a different dose for my friend?
Compounded vials come in different strengths. 20 units is 0.5 mg from a 2.5 mg/mL semaglutide vial and 1 mg from a 5 mg/mL vial.