Calculators / Tirzepatide dose charts

Tirzepatide dose charts (mg → U-100 units)

Units to draw on a standard U-100 insulin syringe, for each common Tirzepatide vial size and BAC-water volume. Doses shown reflect ranges reported in published research — they are reference points for the math, not recommendations. For other numbers, use the live calculator.

5 mg vial

Dose+ 1 mL water (5 mg/mL)+ 2 mL water (2.5 mg/mL)+ 3 mL water (1.6666666666666667 mg/mL)
2.5 mg50 u100 u> syringe
5 mg100 u> syringe> syringe
7.5 mg> syringe> syringe> syringe
10 mg> syringe> syringe> syringe
15 mg> syringe> syringe> syringe

10 mg vial

Dose+ 1 mL water (10 mg/mL)+ 2 mL water (5 mg/mL)+ 3 mL water (3.3333333333333335 mg/mL)
2.5 mg25 u50 u75 u
5 mg50 u100 u> syringe
7.5 mg75 u> syringe> syringe
10 mg100 u> syringe> syringe
15 mg> syringe> syringe> syringe

15 mg vial

Dose+ 1 mL water (15 mg/mL)+ 2 mL water (7.5 mg/mL)+ 3 mL water (5 mg/mL)
2.5 mg16.7 u33.3 u50 u
5 mg33.3 u66.7 u100 u
7.5 mg50 u100 u> syringe
10 mg66.7 u> syringe> syringe
15 mg100 u> syringe> syringe

30 mg vial

Dose+ 1 mL water (30 mg/mL)+ 2 mL water (15 mg/mL)+ 3 mL water (10 mg/mL)
2.5 mg8.3 u16.7 u25 u
5 mg16.7 u33.3 u50 u
7.5 mg25 u50 u75 u
10 mg33.3 u66.7 u100 u
15 mg50 u100 u> syringe

Formula: units = dose ÷ concentration × 100 · concentration = vial mg ÷ water mL · Tirzepatide half-life ≈ 5 days (FDA label: Mounjaro (tirzepatide) prescribing information)

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