PeptideCalculations
20 mg/mL · 20,000 mcg/mL · 200 mcg per U-100 unit

60 mg vial + 3 mL bacteriostatic water

A 60 mg vial reconstituted with 3 mL comes to 20 mg/mL. Every unit on a U-100 insulin syringe then carries 200 mcg, so 5 mg is 25 units (0.25 mL) and the vial holds 12 draws of that size.

Units for each amount

60 mg vial + 3 mL = 20 mg/mL (20,000 mcg/mL, 200 mcg per unit on U-100)
DosemLU-100 unitsU-40 unitsDoses per vial
50 mcg0.00250.250.11200
100 mcg0.0050.50.2600
150 mcg0.00750.750.3400
200 mcg0.0110.4300
250 mcg0.0131.30.5240
300 mcg0.0151.50.6200
400 mcg0.0220.8150
500 mcg0.0252.51120
750 mcg0.0383.81.580
1 mg0.055260
1.5 mg0.0757.5340
2 mg0.110430
2.5 mg0.1312.5524
5 mg0.25251012
10 mg0.550206

Same vial, other volumes

The mass does not move. Only the concentration and the unit count do.

Watermg/mLmcg per unit5 mg =
1 mL606008.3 unitstable →
1.5 mL4040012.5 unitstable →
2 mL3030016.7 unitstable →
2.5 mL2424020.8 unitstable →
3 mL2020025 units
5 mL1212041.7 unitstable →

Same concentration, different vial

These pairs also come to 20 mg/mL, so their unit counts match this page exactly; only the number of draws per vial differs: 10 mg + 0.5 mL, 20 mg + 1 mL, 30 mg + 1.5 mL, 50 mg + 2.5 mL.

Try other numbers

mL
Draw to
—units
— mL on a U-100, 1 mL barrel
Concentration
—mg/mL
— mcg per unit
Doses in the vial
—
of

60 mg + 3 mL questions

What concentration is 60 mg in 3 mL?

60 mg divided by 3 mL is 20 mg/mL, which is 20,000 mcg/mL. On a U-100 syringe each unit holds 0.01 mL, so one unit carries 200 mcg.

How many units is 5 mg from a 60 mg vial with 3 mL?

5000 mcg divided by 20,000 mcg/mL is 0.25 mL, which is 25 units on a U-100 syringe and 10 units on a U-40 syringe. The vial holds 12 draws of that size.

What if I add 5 mL instead of 3 mL to the 60 mg vial?

The mass stays 60 mg. With 5 mL the concentration is 12 mg/mL instead of 20 mg/mL, so the same amount per draw needs more units: 5 mg becomes 41.7 units instead of 25.

Does a 60 mg vial hold 3 mL?

Usually. Most lyophilized peptide vials are 2 mL or 3 mL glass, and 3 mL fits with room to swirl. Check the vial if it is an unusually small format.

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