Free tools
GLP‑1 & weight loss tools, free to use
Calculators, dosing charts, and trackers built for people researching and using GLP-1 medications — no account, no paywall. Bookmark the ones you'll come back to.
Dosing & medication
Dose converter
GLP-1 dose calculator
Convert a prescribed semaglutide or tirzepatide dose to units.
Dosing chart
Dosage charts
Week-by-week titration schedules for every GLP-1.
Dosing chart
Switching calculator
Moving between GLP-1s, and what dose to restart at.
Dosing chart
Titration calendar
Put your dose schedule on real dates, and on your calendar.
Results & eligibility
Results estimator
GLP-1 results calculator
Estimate how much you could lose on each GLP-1.
Eligibility checker
Eligibility checker
See whether your BMI and health may qualify you for a GLP-1.
Eligibility checker
Insurance checker
See what your plan may cover, and what to do next.
Eligibility checker
Missed dose helper
Take it, skip it, or call. What your drug's label says about a late dose.
Health & nutrition
Calculator
Protein calculator
Find the daily protein that protects muscle while you lose weight.
Calculator
Lean body mass calculator
Estimate your lean mass and the protein floor it sets.
Calculator
Water intake calculator
What the official reference value actually says, including the part most calculators skip.
Calculator
Weight loss % calculator
Track your progress the way clinical trials do, by percentage.
Calculator
A1C calculator
Convert A1C to average blood sugar (and back) in either unit.
Calculator
Cost calculator
Compare every route to your GLP-1, ranked by what you'd actually pay.
Calculator
Muscle loss risk
See whether your rate of loss, protein, and training put muscle at risk.
Calculator
Waist-to-height ratio
The one-line rule that predicts metabolic risk better than BMI.
Calculator
Waist-to-hip ratio
Your waist divided by your hips, against the WHO threshold, and who that threshold is for.
Calculator
Body recomposition
Your goal weight at your goal body fat, holding your muscle steady.
Calculator
Visceral fat estimate
A tape-measure estimate of the fat around your organs, as a band, not a number.
Calculator
Fiber intake calculator
Your daily fiber target, and how slowly to get there.
Trackers & planners
Printable
Weight loss tracker
A GLP-1 weight tracker to use online or print.
Printable
Injection tracker
Log your dose, injection site, and weekly shot day.
Printable
GLP-1 meal plan
A high-protein 7-day plan built for low appetite.
Printable
Appeal letter generator
Turn a denial into a formatted appeal letter you can send this week.
23 tools live and counting — more launching soon. Every tool is free and independent; we don't sell medications.