Calculator image    HbA1c Estimator An estimate of HbA1c can be made from a mean glucose level.
Enter the mean glucose, select the units.
Click CALCULATE and the estimated HbA1c (eA1c) will be shown.

Enter Mean Glucose: 
Select Units:   mg/dL   mmol/L

The formula to calculate an estimated HbA1c and the studies on which it is based are described in the following publication:
Beck RW, Connor CG, Mullen DM, Wesley DM, Bergenstal RM. The fallacy of average: How using HbA1c alone to assess glycemic control can be misleading. Diabetes Care 2017; 40-994-99.
Click here to see abstract

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