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Tirzepatide Calculator

Tirzepatide Dose Calculator

Pre-filled for Tirzepatide's standard vial size. Adjust your target dose and see the exact number of units to draw on a U-100 insulin syringe.

Typical protocol: 2.5 mg weekly (start), escalating to 15 mg max.
Escalation: 2.5 (4 wk) → 5 → 7.5 → 10 → 12.5 → 15 mg weekly. Dose-dependent weight loss; 10–15 mg doses produce maximum effect.

Inputs

The total mg of peptide in the lyophilized vial (e.g., 5 mg).

Volume of BAC water used for reconstitution. Common: 1, 2, or 3 mL.

Desired per-injection dose.

Quick Presets

Result

Draw on U-100 syringe

50units

= 0.5 mL draw volume

Concentration

5 mg/mL

After reconstitution

Units per mg

20

On U-100 syringe

Dose

2.5 mg

2.5 mg per injection

Doses per vial

4

Approximate

Syringe visualization
050100 units (1 mL)

Reference tool for educational purposes. Always verify calculations independently and consult a qualified medical professional before any self-administration.

Want the full Tirzepatide reference?

First-in-class dual GIP/GLP-1 receptor agonist — SURMOUNT trials showed ~20% mean weight reduction and superior A1c control versus semaglutide.

Read the Tirzepatide page →

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