Estimated Average Glucose (eAG) Calculator

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Health

The Estimated Average Glucose Calculator converts an HbA1c percentage into an estimated average blood glucose level, in both mg/dL and mmol/L, using the ADAG study formula.

Formula

eAG (mg/dL) = 28.7 × HbA1c − 46.7
  • Based on the ADAG study relationship between HbA1c and average glucose.
  • Divide mg/dL by 18.0182 to convert to mmol/L.

HbA1c 7%

Inputs
  • HbA1c: 7 %

28.7 × 7 − 46.7 = 154 mg/dL (about 8.6 mmol/L).

Frequently asked questions

What does eAG tell me?
It translates your HbA1c into an average glucose number in the same units as a home glucose meter.