HbA1c Calculator

This is an HbA1c calculator you can use to perform conversions between glycosylated hemoglobin (HbA1c) and mean plasma glucose. You will also learn what is A1c and what are its normal ranges. Besides, you will also learn how to convert between HbA1c and mean plasma glucose by following the formula.

What is A1c?

The Hemoglobin A1c (HbA1c) test tells you your average level of blood sugar over the past 2 to 3 months. People who have diabetes need this test to see if their levels are staying within range, and to determine if she needs to adjust her diabetes medicines.

HbA1c formula

Conversion between HbA1c and mean plasma glucose is by the following formula:

HbA1c = (MPG + 46.7) / 28.7 = (MPGM + 2.59) / 1.59

  • HbA1c = glycosylated hemoglobin
  • MPG = mean plasma glucose
  • MPG = mean plasma glucose (molarity)

HbA1C to Glucose conversion table

A1C level Estimated average blood sugar (glucose) level
6 % 126 mg/dL (7 mmol/L)
7 % 154 mg/dL (8.6 mmol/L)
8 % 183 mg/dL (10.2 mmol/L)
9 % 212 mg/dL (11.8 mmol/L)
10 % 240 mg/dL (13.4 mmol/L)
11 % 269 mg/dL (14.9 mmol/L)
12 % 298 mg/dL (16.5 mmol/L)


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All information contained in and produced by Tabular is provided for information purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease.

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