Changelog

Updates & changelog

Substantive changes to the site, logged with dates. Formulas and reference ranges are reviewed annually against current ADA guidance.

2026

  • August 2026: Trust pages added: About, Editorial Policy, Methodology, Privacy, Disclaimer, and Contact, along with this changelog and a real 404 page. Conversion math unchanged.
  • August 2026: Annual review of the ADAG formula and reference ranges against current ADA Standards of Care. No changes required; the classification thresholds (5.7% and 6.5%) remain current.
  • August 2026: Initial public site with the A1C to eAG calculator, glucose to A1C mode, average-glucose estimator, the what-is-A1C guide, and the full conversion chart.

Review cadence

The conversion formulas and diagnostic ranges are re-checked annually against the American Diabetes Association's current Standards of Care, and on an event basis if a major guideline is revised in between. Corrections reported by readers are handled as they arrive and substantive ones are logged here.