Tirzepatide dosage calculator
Convert a Tirzepatide vial, bacteriostatic water and your dose into mg/mL, the volume to draw, and the mark on a 100-unit insulin syringe. This tool converts numbers only — it does not suggest a dose.
Commonly reported: 2.5 mg start, titrated to 15 mg · Once weekly
Route: Subcutaneous
Duration in studies: 72 weeks in SURMOUNT trials
Evidence: FDA labelling (Mounjaro/Zepbound) and the SURPASS/SURMOUNT programmes.
Commonly reported: 2.5 mg start, titrated to 15 mg
Frequency: Once weekly
Common mix: 10 mg vial + 2 mL bacteriostatic water
Tirzepatide dosage referenceResult
Draw to
50.0 units
Volume
0.500 mL
Concentration
5.00 mg/mL
Doses per vial
4
100-unit insulin syringe, filled to 50.0 units
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Research Syndicate is not a medical provider. This calculator is an educational conversion tool, not medical advice.