Bacteriostatic water calculator for Tirzepatide
Tirzepatide is supplied in 6 vial sizes on this site (5 mg, 10 mg, 15 mg, 20 mg, 30 mg, 60 mg). Pick the size printed on your vial and the page works out what each water volume gives you, in mg/mL and in unit marks on a 1 mL U-100 insulin syringe.
Also searched as: tirz, tirzepatide powder, compounded tirzepatide, Zepbound, Mounjaro.
Every Tirzepatide vial size
- 5 mg Tirzepatidein 1 mL of bacteriostatic water = 5 mg/mL0.5 mg in 10 unit marks
- 10 mg Tirzepatidein 2 mL of bacteriostatic water = 5 mg/mL0.5 mg in 10 unit marks
- 15 mg Tirzepatidein 3 mL of bacteriostatic water = 5 mg/mL0.5 mg in 10 unit marks
- 20 mg Tirzepatidein 4 mL of bacteriostatic water = 5 mg/mL0.5 mg in 10 unit marks
- 30 mg Tirzepatidein 3 mL of bacteriostatic water = 10 mg/mL1 mg in 10 unit marks
- 60 mg Tirzepatidein 6 mL of bacteriostatic water = 10 mg/mL1 mg in 10 unit marks
Each card shows one example mix. Every page behind it works through a full range of water volumes.
How much bacteriostatic water do you need?
You need about 8 mL of bacteriostatic water to cover any Tirzepatide vial size on this page.
Every water volume in these charts is between 0.5 mL and 8 mL, so a single 10 mL vial of bacteriostatic water covers the largest of them with room to spare. Bacteriostatic water is sterile water that contains 0.9% benzyl alcohol as a preservative, which is what allows the same vial to be punctured more than once.
Storage and shelf life
Bacteriostatic water is sterile water that contains 0.9% benzyl alcohol as a preservative. The preservative is the reason a vial can be entered more than once rather than being discarded after a single use. An unopened vial keeps until the expiry date printed on it; once the stopper has been punctured, the discard window printed in the manufacturer’s insert for that vial applies.
Store water and mixed vials as the labelling for each one directs, out of direct light. If the liquid changes colour, goes cloudy, or shows anything floating in it, it goes in the bin rather than in a syringe.
Common questions
- What does the bacteriostatic water calculator do for Tirzepatide?
- It divides the amount of powder printed on the vial by the volume of bacteriostatic water added, and reports the result as a concentration and as the amount sitting in each unit mark of a 1 mL U-100 insulin syringe. It is arithmetic. It does not say what amount to use.
- Which Tirzepatide vial sizes are worked out here?
- 5 mg, 10 mg, 15 mg, 20 mg, 30 mg, 60 mg - one page each.
- Why does the same vial have several possible concentrations?
- Because the concentration depends entirely on how much water is added. The powder is fixed; the water is a choice. More water means a lower concentration and more volume per unit mark, less water means the opposite. That is the whole of the arithmetic.
Tirzepatide is a prescription medication that some compounding pharmacies supply as a freeze-dried powder, to be mixed with a liquid before use. It is available on prescription only. This site sells bacteriostatic water. It does not sell Tirzepatide.
Zepbound and Mounjaro are registered trademarks of their respective owners. This site is not affiliated with, endorsed by or sponsored by them, and does not supply Tirzepatide in any form. The brand names appear here only because they are what people search for.