How is A1C converted to average glucose?

Using the ADAG formula eAG(mg/dL) = 28.7 × A1C − 46.7. For example, an A1C of 6.5% ≈ 140 mg/dL (7.8 mmol/L).

Is estimated average glucose the same as my meter reading?

No. eAG is a long-term average derived from A1C; individual meter readings vary throughout the day and may differ from this estimate.

A1C ⇄ Average Glucose Converter

Free A1C to glucose converter. Convert an HbA1c percentage to estimated average glucose (eAG) in mg/dL and mmol/L, or convert a glucose reading back to an estimated A1C, using the ADAG formula.

Convert HbA1c to estimated average glucose (mg/dL and mmol/L) and back.

eAG_{m g / d L} = 28.7 \cdot A1C - 46.7

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