GLP-1 tools & calculators
Free, no sign-up, built on published clinical data. The same care we put into the app, applied to the questions everyone on a GLP-1 asks.
All medications
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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All medications
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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By medication
Zepbound calculator
SURMOUNT-1 averages by dose, in pounds, plus the escalation schedule.
Mounjaro calculator
The same tirzepatide data in kilograms, for the UK and Australia.
Wegovy calculator
STEP 1 averages for semaglutide 2.4 mg, plus the 7.2 mg dose and the tablet.
Foundayo calculator
ATTAIN-1 averages for the daily orforglipron pill, at label strengths.
GLP-1 pill calculator
The two approved weight-loss pills, Foundayo and the Wegovy tablet, compared.
More tools are coming: a dose schedule planner is next. In the meantime, the app already charts estimated medication levels.
You take your GLP-1s.
We'll take care of the rest.
Free · No account required · Tracking in under 30 seconds