HbA1c ↔ Average Glucose
Convert HbA1c (%) to estimated average blood glucose (mg/dL or mmol/L) and back.
HbA1c ↔ Average Glucose
Convert HbA1c percent (or mmol/mol) to estimated average glucose (eAG) and vice versa.
Formula: eAG (mg/dL) = 28.7 × A1c − 46.7. ADA / DCCT-derived. Diabetes diagnostic cut-off is HbA1c ≥6.5%; prediabetes 5.7–6.4%.
A tool is a starting point, not a diagnosis.
However your numbers come out, this is information — not a prescription. Bring your result to a consultation, and we'll put it in context with your history, labs, and what you actually feel.
Try another tool