Dosing Calculator

Find the correct syringe marking for your medication dose after reconstitution. For syringe sizes and injection guidance, see our Injection Guide.

Dosing with insulin needles

Enter your vial and desired dose to see where to draw to on the syringe.

Total syringe volume

Select the syringe type you are using (tap to choose)

0.3 mL

0.5 mL

1.0 mL

0.3 mL0.5 mL1.0 mL

Medication amount in vial (mg)2 mg5 mg10 mg15 mg20 mg

Amount of bacteriostatic water (mL)1 mL2 mL3 mL5 mL

Desired dose amount (mcg)100 mcg250 mcg500 mcg750 mcg1000 mcg1500 mcg2000 mcg

Concentration: 3333.3 mcg/mL

For 15 units, a 0.3 mL syringe is usually a better fit. You can switch the dropdown above to use it.

To have a dose of 500 mcg, pull the syringe to 15 units

Use U-100 insulin only

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Units