Know how many units to draw.
For compounded semaglutide and tirzepatide. Enter your vial and your prescribed dose to see how many units to draw, and where that lands on your syringe's printed lines.
For compounded medication from a multi-dose vial, measured with a U-100 insulin syringe. Brand-name pens (Ozempic, Wegovy, Mounjaro, Zepbound) are dosed with the pen itself, so don't use this calculator for them.
That's the mg/mL number on your label, not the total mg in the vial.
The mg amount per injection. Tap a common dose, or type your own.
Match the size and the printed numbers on your syringe. Not listed? Choose Mine is different.
calculated units
What we used
- Prescribed dose
- Vial concentration
- Calculated volume
How we calculated this
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DoseCompa is an independent educational tool, not a medical provider or pharmacy. It does not provide medical advice, diagnosis, or treatment.