The hemoglobin A1c test tells you your average level of blood sugar over the past 2-3 months. It's also called HbA1c, the glycated ... The A1c chart below shows how A1c levels compare with blood ...

Since June 2011, the way HbA1c values are reported has switched from a percentage to a measurement in mmols/mol. To make sense of the new units and compare these with old units and vice versa, use our ...