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Dose calculator

Type what is in your vial, how much water you add and your dose. It tells you how far to draw the syringe.

mg
ml
Draw to10units
0.10 mlto draw
20doses in the vial
2.5 mg/mlstrength after mixing
On a 1 ml U-100 insulin syringe. 0.10 ml.

How it works

Mixing spreads the powder evenly through the water. 5 mg in 2 ml means every ml holds 2.5 mg, which is 2,500 mcg.

Your dose divided by that strength is how much liquid to draw. 250 mcg ÷ 2,500 mcg per ml = 0.1 ml.

An insulin syringe marked U-100 has 100 units in 1 ml, so 0.1 ml is 10 units. A 0.5 ml syringe holds 50 units and a 0.3 ml syringe 30, with the same unit size.

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