Blood Sugar Management: A1C Chart

A1C Chart

One of the standard methods of managing diabetes is the A1C test, also known as hemoglobin A1C or glycosylated hemoglobin. The A1C test shows the amount of glucose that sticks to the red blood cell, which is proportional to the amount of glucose in the blood. The following A1C chart translates your percentage to provide an estimate of your average blood glucose control over the course of two to three months of diabetes management.

If your A1C is this:	Your average mean daily plasma blood sugar is around this:
%	mg/dl	mmol/l
12.0%	345	19.5
11.0%	310	17.5
10.0%	275	15.5
9.0%	240	13.5
8.0%	205	11.5
7.0%	170	9.5
6.0%	135	7.5
5.0%	100	5.5
4.0%	65	3.5

SOURCE: American Diabetes Association. Diabetes Care 25:275-278,2002. Defining the Relationship Between Plasma Glucose and HbA1c. (Accessed 7/3/08).

Reviewed by Francine Kaufman, MD. 4/08

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