Free diabetes and glucose tools
Calculators and charts that run in your browser. No account for the tools; start a free SteadyRange log when you want your own readings tracked over time.
A1C calculator
Average glucose → estimated A1C and GMI (ADAG + Bergenstal).
Open toolAGP report
Dexcom, Libre, or Tidepool CSV → time in range, GMI, daily pattern.
Open toolBlood sugar chart
Normal ranges fasting and after meals, plus every mg/dL page.
Open toolA1C chart
What each A1C means and the average glucose it reflects.
Open toolmg/dL ↔ mmol/L
Exact 18.0182 conversion both ways, with a full table.
Open toolGLP-1 weight loss
Trial-based curves for Wegovy, Ozempic, Zepbound, Mounjaro, Saxenda.
Open toolGLP-1 half-life
Build-up, missed doses, and washout from published half-lives.
Open toolGlycemic index
GI and load for everyday foods, with plain-language meaning.
Open toolGuides
Prediabetes, time in range, appointments, and GLP-1 tracking.
Open tool
Want these numbers from your own log?
SteadyRange estimates A1C, time in range, and trends from readings you log (or import), then builds a report you can share with your doctor.
Stop looking numbers up one at a time
A page can tell you what a reading means in general. Your own log tells you what it means for you: log a reading in seconds and SteadyRange shows your time in range, estimated A1C, and the patterns behind them, on a private log you control.