MEASURE WITH CLARITY

Syringe calculator

From your prescribed dose to a clear volume.

Use the concentration and dose confirmed by your pharmacist. This calculator converts your inputs; it does not choose a dose or provide mixing instructions.

1Your syringe

U-100 scale only: 100 markings = 1 mL. Check the syringe label.

Smallest graduation on your syringe

2Amount in the vial

Total medication amount, as stated on the label.

Total amountAmount unit

3Final solution volume

Use the confirmed final volume, not simply the amount of liquid added.

Final volume (mL)

4Prescribed dose

Dose amountDose unit

I checked that my syringe uses the U-100 scale and selected its actual graduation.

CALCULATED VOLUME

— mL

Enter positive numbers in all three fields.

Illustrative syringe scale — not actual size

Syringe markings are not medication IU. There is no universal conversion between mg and IU. Verify the result with your pharmacist before use.