The level of hba1c at any point in time is contributed to by all circulating erythrocytes, from the oldest (120 days old) to the youngest. however, hba1c is a "weighted" average of blood glucose levels during the preceding 120 days, meaning that glucose levels in the preceding 30 days contribute substantially more to the level of hba1c than do.
A1c 5.9 conversion rates. blood sugar can be measured in a variety of ways, which often leads to confusion. an a1c of 5.9 is equal to blood sugar of 123 mg/dl or 6.8 mmol/l. view the full a1c conversion chart to better understand these tests and numbers. what to do if your a1c is 5.9. an a1c of 5.9 falls into the prediabetic range between 5.7.
A1c readings between 4.0 and 5.6 indicate that the level of glucose in your blood is normal. the a1c test measures blood sugar over the last three months by looking at the percentage of hemoglobin saturated with sugar. an a1c of 5.5 means that 5.5% of the hemoglobin in your blood are saturated with sugar. a1c 5.5 conversion rates.