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. Author manuscript; available in PMC: 2013 Aug 19.
Published in final edited form as: Metabolism. 2011 Jan;60(1):1–23. doi: 10.1016/j.metabol.2010.09.010

Table 7.

Correlation of hemoglobin A1c with average blood glucose [47,48]

HgbA1c Average glucose (mg/dL)
6 126
7 154
8 183
9 212
10 240
11 269
12 298

To calculate estimated average glucose from a specific hemoglobin A1c value, use the following formula: 28.7 × A1c – 46.7.