3 units to mg

3 units on a U-100 insulin syringe is 0.03 mL. How many mg that is depends on the strength printed on your vial. Find yours below.

0.03 mLliquid in 3 units
0.07 mgsemaglutide at 2.5 mg/mL
0.3 mgtirzepatide at 10 mg/mL

3 units of semaglutide

Vial strength3 units =
1 mg/mL0.03 mg of semaglutide
2 mg/mL0.06 mg of semaglutide
2.5 mg/mL0.07 mg of semaglutide
3 mg/mL0.09 mg of semaglutide
5 mg/mL0.15 mg of semaglutide

3 units of tirzepatide

Vial strength3 units =
5 mg/mL0.15 mg of tirzepatide
10 mg/mL0.3 mg of tirzepatide
15 mg/mL0.45 mg of tirzepatide
20 mg/mL0.6 mg of tirzepatide
30 mg/mL0.9 mg of tirzepatide

Formula: mg = units ÷ 100 × vial strength (mg/mL).

Other unit amounts

2 units4 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 3 units?

3 units is always 0.03 mL of liquid. The mg depends on your vial strength: 0.07 mg of semaglutide at 2.5 mg/mL, or 0.3 mg of tirzepatide at 10 mg/mL.

Is 3 units a lot?

3 units is 0.03 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.