The hemoglobin a1c (hba1c or simply a1c for short) test is a blood test used to measure the average blood glucose concentration in your body in the past 1-3 months. for diabetics, a1c chart on this page has a1c to bs conversion chart and calculator using the dcct formula. to use this a1c calculator; you have to enter a1c/bs to calculate the.
A normal hemoglobin a1c (hba1c or a1c) level is below 5.7%. higher a1c levels may suggest prediabetes or diabetes. it checks for the concentration of fructosamine, a protein in your blood, to get an estimate of blood glucose levels over time. american diabetes association. (n.d.) eag/a1c conversion calculator. american diabetes.