PeptideCalculations
12 mg/mL · 12,000 mcg/mL · 120 mcg per U-100 unit

60 mg vial + 5 mL bacteriostatic water

A 60 mg vial reconstituted with 5 mL comes to 12 mg/mL. Every unit on a U-100 insulin syringe then carries 120 mcg, so 5 mg is 41.7 units (0.42 mL) and the vial holds 12 draws of that size.

Units for each amount

60 mg vial + 5 mL = 12 mg/mL (12,000 mcg/mL, 120 mcg per unit on U-100)
DosemLU-100 unitsU-40 unitsDoses per vial
50 mcg0.00420.420.171200
100 mcg0.00830.830.33600
150 mcg0.0121.30.5400
200 mcg0.0171.70.67300
250 mcg0.0212.10.83240
300 mcg0.0252.51200
400 mcg0.0333.31.3150
500 mcg0.0424.21.7120
750 mcg0.0636.32.580
1 mg0.0838.33.360
1.5 mg0.1312.5540
2 mg0.1716.76.730
2.5 mg0.2120.88.324
5 mg0.4241.716.712
10 mg0.8383.333.36

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 unitstable →
5 mL1212041.7 units

Same concentration, different vial

These pairs also come to 12 mg/mL, so their unit counts match this page exactly; only the number of draws per vial differs: 30 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 + 5 mL questions

What concentration is 60 mg in 5 mL?

60 mg divided by 5 mL is 12 mg/mL, which is 12,000 mcg/mL. On a U-100 syringe each unit holds 0.01 mL, so one unit carries 120 mcg.

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

5000 mcg divided by 12,000 mcg/mL is 0.42 mL, which is 41.7 units on a U-100 syringe and 16.7 units on a U-40 syringe. The vial holds 12 draws of that size.

What if I add 1 mL instead of 5 mL to the 60 mg vial?

The mass stays 60 mg. With 1 mL the concentration is 60 mg/mL instead of 12 mg/mL, so the same amount per draw needs fewer units: 5 mg becomes 8.3 units instead of 41.7.

Does a 60 mg vial hold 5 mL?

Not always. Many lyophilized peptide vials are 2 mL or 3 mL glass; 5 mL will not fit in those. Check the vial before choosing this volume, or split the mass across two vials.

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