How many units is 250 mcg from a 5 mg vial with 2 mL of water?
5 mg ÷ 2 mL = 2.5 mg/mL (2500 mcg/mL). 250 mcg ÷ 2500 mcg/mL = 0.1 mL. On a U-100 syringe that is 10 units (U-50: 5, U-40: 4). The vial holds 20 draws of that size.
The math
Concentration = 5 mg ÷ 2 mL = 2.5 mg/mL Volume = 250 mcg ÷ 2500 mcg/mL = 0.1 mL Units (U-100) = 0.1 × 100 = 10
Math only, not medical advice. This page converts numbers; it does not recommend any compound or amount.
Draw to
10 units
= 0.1 mL · concentration 2.5 mg/mL (2500 mcg/mL) · 20 draws per vial
Concentration = 5 mg ÷ 2 mL = 2.5 mg/mL Volume = 250 mcg ÷ 2500 mcg/mL = 0.1 mL Units = 0.1 mL × 100 (U-100) = 10 units
Math only, not medical advice. Verify every number yourself.
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