Tirzepatide Dosing Calculator
Vial size, bacteriostatic water, and dose — converted to insulin-syringe units, pre-loaded with Tirzepatide's documented doses.
Typical dose: 2.5 mg, titrated to 12.5-15 mg · once weekly
Tirzepatide documented dose levels
| Phase | Dose | Frequency |
|---|---|---|
| First 4 weeks | 2.5 mg | Once weekly |
| Increase by 2.5 mg after at least 4 weeks at each dose | 5-10 mg | Once weekly |
| Ongoing maintenance | 12.5-15 mg | Once weekly |
Tirzepatide sample schedule & dose log
Laid out day by day from Tirzepatide's documented dose levels. Change the regimen, dose, vial or water and every day updates — then print it, text it, email it, or add it to your calendar.
12 doses over 84 days · 3 vials · 80 mg total
30 mg vial + 1 mL bacteriostatic water = 30 mg/mL · units on a U-100 insulin syringe
“Increase by 2.5 mg after at least 4 weeks at each dose” has no fixed length in the documentation — the first 28 days are shown.
“Ongoing maintenance” has no fixed length in the documentation — the first 28 days are shown.
Pick a start date to add it to a calendar.
| Day | Dose | Site | Done |
|---|---|---|---|
| Week 1 | |||
| Day 1Same day each week | 2.5 mg8.3 unitsNew vial | Belly, upper left | |
| Week 2 | |||
| Day 8Same day each week | 2.5 mg8.3 units | Belly, upper right | |
| Week 3 | |||
| Day 15Same day each week | 2.5 mg8.3 units | Belly, lower left | |
| Week 4 | |||
| Day 22Same day each week | 2.5 mg8.3 units | Belly, lower right | |
| Week 5 | |||
| Day 29Same day each week | 5 mg16.7 units | Left thigh | |
| Week 6 | |||
| Day 36Same day each week | 5 mg16.7 units | Right thigh | |
| Week 7 | |||
| Day 43Same day each week | 5 mg16.7 units | Left upper arm | |
| Week 8 | |||
| Day 50Same day each week | 5 mg16.7 units | Right upper arm | |
| Week 9 | |||
| Day 57Same day each week | 12.5 mg41.7 unitsNew vial | Belly, upper left | |
| Week 10 | |||
| Day 64Same day each week | 12.5 mg41.7 units | Belly, upper right | |
| Week 11 | |||
| Day 71Same day each week | 12.5 mg41.7 unitsNew vial | Belly, lower left | |
| Week 12 | |||
| Day 78Same day each week | 12.5 mg41.7 units | Belly, lower right | |
Tirzepatide dosing questions
What is a typical Tirzepatide dose?
2.5 mg, titrated to 12.5-15 mg · once weekly
How often is Tirzepatide taken?
Once weekly
Educational information only — not medical advice. Always consult a qualified healthcare provider.