Free GLP-1 calculators and tools for people on Ozempic, Wegovy, Zepbound, Mounjaro, and GLP-1 pills — built by the team behind the free Pep GLP-1 tracker app. Every tool uses published clinical and FDA-label data, works on any device, and requires no signup.
Weight Loss Calculator
Project your week-by-week results on 10 medications — including compounds — with a personalized curve built from the STEP 1 and SURMOUNT-1 trials.
Cost Calculator
Estimate your real monthly and yearly cost across list prices, manufacturer self-pay programs, insurance copays, and compounded telehealth options.
Dose Schedule Calculator
Enter your start date and get your full titration calendar — every step-up date for Wegovy, Zepbound, Mounjaro, Ozempic, and more from the FDA labels.
Missed Dose Calculator
Missed a shot or pill? See exactly what the official label says to do for your medication based on how late you are.
Protein Calculator
Get your daily protein target for preserving muscle (and hair) during GLP-1 weight loss, with a realistic per-meal split for a small appetite.
Units Calculator
Convert your compounded semaglutide or tirzepatide dose from mg to insulin-syringe units and mL, based on your vial’s concentration.
Popular GLP-1 guides
The guides behind the tools — for when you want the full picture:
These tools are for educational purposes only and are not medical advice. Always consult your healthcare provider about your treatment.



