Why a Direct Dose Equivalence Does Not Exist
Semaglutide (the active substance in Wegovy) and tirzepatide (the active substance in Mounjaro) are distinct molecules that act on different receptors. Semaglutide targets GLP-1 receptors only, while tirzepatide acts on both GIP and GLP-1 receptors. Because the two medicines bind to different targets and have different potency profiles, their dose scales were each calibrated independently during clinical development — they were never designed to map onto each other.
Wegovy's dose schedule at a glance
Wegovy is typically started at a low dose and increased step by step over several months, with the prescriber guiding each adjustment. The commonly referenced dose strengths are 0.25mg, 0.5mg, 1mg, 1.7mg, and 2.4mg. The 1mg strength is one step in that titration process, not a maintenance or final dose for most people — though your prescriber will determine what is right for you.
Mounjaro's dose schedule at a glance
Mounjaro uses a separate scale entirely: commonly referenced strengths are 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, and 15mg. The higher numbers reflect tirzepatide's different potency profile, not a higher or lower "level" compared with semaglutide. You can read more about the broader dosing context in our guide to Mounjaro dosing.
Why people ask about equivalence
Some people switching between Wegovy and Mounjaro — or curious about what their current dose "means" — search for a conversion figure. Clinicians do sometimes discuss rough starting points when switching a patient between GLP-1 medicines, but those decisions account for individual factors far beyond a simple number. Pages covering related questions include what 1mg of Wegovy means in Mounjaro terms and a closer look at 1mg Wegovy equivalence — but in every case the practical answer is the same: dose decisions are for your prescriber, not a conversion chart.
For a broader look at how the two medicines compare, including how the 2.4mg Wegovy dose is discussed alongside Mounjaro's upper strengths, see our page on the Wegovy 2.4mg and Mounjaro comparison.
average weekly weight change in the first 16 weeks of Mounjaro & Wegovy use*
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Whichever medicine you have been prescribed, keeping an accurate record of every dose you take is one of the most practical things you can do to support your journey — and to have an informed conversation with your prescriber at your next appointment.
GLP Trackr's dose logging feature lets you record each weekly injection — the date, time, and dose strength — so nothing gets lost or forgotten. Over time, your dose history builds into a clear log you can refer back to, or bring along as a summary when discussing any changes with your prescriber. The app also sends gentle reminders so a dose is never accidentally missed, and its injection-site tracking helps you rotate sites consistently.
If you do miss a dose or have any question about your schedule, the right step is always to check with your prescriber or doctor — or consult the patient information leaflet supplied with your medicine. GLP Trackr can log the gap in your record so you have an accurate picture to discuss, but it does not provide dosing instructions. Any decision about your dose — whether to continue, adjust, or switch medicine — should be made with your prescriber, who knows your full medical history.
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Frequently asked questions.
No direct equivalence exists. Semaglutide and tirzepatide are different molecules that act on different receptors and were developed on separate dose scales. A milligram of one does not correspond to a milligram of the other. Your prescriber or doctor is the right person to discuss any dose comparison.
Wegovy is commonly titrated through 0.25mg, 0.5mg, 1mg, 1.7mg, and 2.4mg. The 1mg strength is typically an intermediate step in that schedule. Your prescriber determines which dose is right for you and when any adjustment should happen.
Any switch between medicines is a clinical decision made by your prescriber, who will consider your history, response, and other individual factors. There is no universal conversion chart — do not adjust or switch doses without guidance from your healthcare professional.
GLP Trackr lets you log each weekly injection — including the date, time, and dose strength — and sends reminders so doses are not missed. Your dose history is stored in one place, making it easy to review or share with your prescriber at appointments.