Blood sugar is typically measured in milligrams per deciliter or millimoles per liter. To understand what your A1C score would look like if it were on your daily blood glucose monitor, compare your score to the below chart.

A1C Score (percentage)eAG (in mg/dL)eAG (in mmol/L)
4683.8
4.1713.9
4.2744.1
4.3774.3
4.4804.4
4.5824.6
4.6854.7
4.7884.9
4.8915.1
4.9945.2
5975.4
5.11005.6
5.21035.7
5.31055.8
5.41086
5.51116.2
5.61146.3
5.71176.5
5.81206.7
5.91236.8
61267
6.11287.1
6.21317.3
6.31347.4
6.41377.6
6.51407.8
6.61437.9
6.71468.1
6.81488.2
6.91518.4
71548.6
7.11578.7
7.21608.9
7.31639.1
7.41669.2
7.51699.4
7.61719.5
7.71749.7
7.81779.8
7.918010
818310.2
8.118610.3
8.218910.5
8.319210.7
8.419410.8
8.519710.9
8.620011.1
8.720311.3
8.820611.4
8.920911.6
921211.8
9.121411.9
9.221712.1
9.322012.2
9.422312.4
9.522612.6
9.622912.7
9.723212.9
9.823513.1
9.923713.2
1024013.3
10.124313.5
10.224613.7
10.324913.8
10.425214
10.525514.2
10.625814.3
10.726014.4
10.826314.6
10.926614.8
1126914.9
11.127215.1
11.227515.3
11.327815.4
11.428015.6
11.528315.7
11.628615.9
11.728916.1
11.829216.2
11.929516.4
1229816.6

For example, a 5 percent A1C score is equal to an eAG score of 97 mg/dL or 5.4 mmol/L.

Note: people who are taking the test do not have to do anything special to prepare for it. Just stay hydrated and go about your day as usual before the test. It’s important to note, if you’re taking other tests at the same time, the doctor may still ask you to fast before coming in.