HbA1c to eAG GlucoseHealth

HbA1c to Estimated Average Glucose (eAG in mg/dL & mmol/L) Calculator

Convert your Hemoglobin A1c (HbA1c %) lab test result into Estimated Average Glucose (eAG in mg/dL and mmol/L) based on the official American Diabetes Association (ADA / ADAG) consensus formula.

Calculated Result

Estimated Average Glucose (eAG in mg/dL)

139.8mg/dL

Calculator Inputs

%
Quick select:

Estimated Average Glucose (eAG in mg/dL)

139.8mg/dL

Estimated Average Glucose (eAG in mmol/L)

7.76 mmol/L

Difference from Fasting Diagnostic Threshold (126 mg/dL)

13.8 mg/dL

Average Glucose (mg/dL vs mmol/L) Breakdown

Equivalent Daily Average
139.8 mg/dL(95%)
Estimated Average Glucose (eAG in mmol/L)
7.76 mmol/L(5%)

This calculator provides informational conversions based on ADA guidelines and does not replace professional clinical lab evaluation or physician diagnosis.

This tool is a mathematical wellness and fitness estimation model for general educational guidance only. The results do not constitute medical diagnosis, clinical advice, or treatment plans. Always consult a qualified physician or certified dietitian before starting any dietary regimen, exercise program, or making health decisions.

Calculation Methodology

ADA ADAG Equation: Estimated Average Glucose eAG (mg/dL) = 28.7 * HbA1c - 46.7. In mmol/L: eAG (mmol/L) = eAG (mg/dL) / 18.0182.

Frequently Asked Questions

Normal is below 5.7%; Prediabetes is between 5.7% and 6.4%; Diabetes is diagnosed at 6.5% or higher on two separate occasions.

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