BMI Calculator
Calculate your Body Mass Index and see if Mounjaro is appropriate for you.
Tirzepatide
Mounjaro, used right.
Calculate doses, plan titration, and track your weeks. Built for people on Mounjaro, not for marketing.
What do you need right now?
Calculate a dose
Pen clicks, syringe volume, and missed-dose handling for every pen strength.
Open calculators Log this week
Record injection day, weight, side effects, and cost per dose. Data stays in your browser.
Open tracker Plan titration
Step up safely from 2.5 mg with the schedule from the official label.
See schedule Run the calculators inline
No sign-up. No upload. Numbers only.
Pen Clicks Calculator
Calculate the exact number of clicks for the required Mounjaro dose.
Pen Dosage Calculator
Convert pen dose to syringe volume based on pen type and dose.
Use the site to…
Track your week
Log injections, side effects, and weight in seconds. Charts update as you go.
Get the dose right
Convert mg ↔ pen clicks ↔ syringe volume for every pen strength.
Find official info fast
Direct links to the SmPC, FDA label, and SURMOUNT / SURPASS results — no fluff.