GLP-1 tools & calculators
Free GLP-1 calculators with no sign-up: convert a dose in mg to syringe units, see how long a medication stays in your system, lay the label dose schedule on a calendar, and see trial-average weight loss for your starting weight. Every number comes from FDA labels or published trials.
Built by the team behind the GlucoPal app · Free, no sign-up
GLP-1 Weight Loss Calculator
Every arm of the SURMOUNT-1, STEP 1, and ATTAIN-1 trials side by side, mapped to your starting weight, dose, and time on the medication.
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GLP-1 Half-Life Calculator
How long nine GLP-1 medications stay in your system, Zepbound to Saxenda: levels building to steady state from your first dose, or clearing after your last, from FDA label data.
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GLP-1 Dose Schedule Planner
The label escalation steps for Zepbound, Mounjaro, Wegovy, the Wegovy pill, Ozempic, and Foundayo, laid on a calendar from your first dose date, with the missed-dose rules. Printable.
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GLP-1 Dose Calculator
Your prescribed tirzepatide or semaglutide dose in mg, converted to insulin-syringe units and mL for the concentration on your compounded vial, with doses per vial.
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Units to mg Calculator
Insulin-syringe units to milligrams, or milligrams to units, at any vial concentration. 100 units is 1 mL; the vial label sets the rest.
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By medication
- Zepbound calculatorSURMOUNT-1 averages by dose, in pounds, plus the escalation schedule.
- Mounjaro calculatorThe same tirzepatide data in kilograms, for the UK and Australia.
- Wegovy calculatorSTEP 1 averages for semaglutide 2.4 mg, plus the 7.2 mg dose and the tablet.
- Foundayo calculatorATTAIN-1 averages for the daily orforglipron pill, at label strengths.
- GLP-1 pill calculatorThe two approved weight-loss pills, Foundayo and the Wegovy tablet, compared.
- Zepbound dosage chart2.5 mg to 15 mg by week, maintenance doses, vials, and the missed-dose rule.
- Mounjaro dosage chartThe same tirzepatide schedule from the FDA label, with the dose steps and missed-dose rule.
- Wegovy dosage chart0.25 mg to 2.4 mg over 16 weeks, the 48-hour rule, and the 1.7 mg fallback.
- Wegovy pill dosage chart1.5 mg to 25 mg over 90 days, and how to take the tablet.
- Ozempic dosage chart0.25 mg to 2 mg by week, and the 5-day missed-dose rule.
- Foundayo dosage chart0.8 mg to 5.5 mg, then optional steps to 17.2 mg.
- Mounjaro dosage chart, UKThe UK SmPC schedule with the four-dose KwikPen and NHS access.
- Mounjaro dosage chart, AustraliaThe Australian Product Information schedule, the KwikPen and private scripts.
- Wegovy dosage chart, UKThe UK SmPC schedule and the rules that differ from the US label.
- Wegovy dosage chart, AustraliaThe Australian schedule, including the registered 7.2 mg dose.
- Tirzepatide dose calculatorThe Zepbound ladder in syringe units at any vial concentration.
- Semaglutide dose calculatorThe Wegovy ladder in syringe units, and reading a compounded vial label.
Every tool is free and built from the FDA labels and published trials. The app charts estimated medication levels from the doses you log.


