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Calculator: Conversion of hemoglobin A1C from percent to mmol/mol and estimation of corresponding average glucose (conventional and SI units)


Calculator: Conversion of hemoglobin A1C from percent to mmol/mol and estimation of corresponding average glucose (conventional and SI units)

 
Input any of the following:
 
A1C (DCCT)    %
A1C (IFCC, SI units)    mmol/mol
Estimated average glucose    mg/dL
Estimated average glucose (SI units)    mmol/L

 

 
Notes
  • Click any of the 4 input boxes to enter a value. The other 3 values will be calculated from your input.
  • A1C: hemoglobin A1C; DCCT: Diabetes Control and Complications Trial; IFCC: International Federation of Clinical Chemistry.
  • Equations used when A1C (%) is entered:
    • A1C (mmol/mol) = 10.929 * (A1C (%) - 2.15)
    • Estimated average glucose (mg/dL) = (28.7 * A1C (%)) - 46.7
    • Estimated average glucose (mmol/L) = Estimated average glucose (mg/dL) / 18.015
  • Equations used when A1C (mmol/mol) is entered:
    • A1C (%) = (A1C (mmol/mol) / 10.929) + 2.15
    • Estimated average glucose (mg/dL) = (28.7 * A1C (%)) - 46.7
    • Estimated average glucose (mmol/L) = Estimated average glucose (mg/dL) / 18.015
  • Equations used when Estimated average glucose (mg/dL) is entered:
    • A1C (%) = (Estimated average glucose (mg/dL) + 46.7) / 28.7
    • A1C (mmol/mol) = 10.929 * (A1C (%) - 2.15)
    • Estimated average glucose (mmol/L) = Estimated average glucose (mg/dL) / 18.015
  • Equations used when Estimated average glucose (mmol/L) is entered:
    • Estimated average glucose (mg/dL) = Estimated average glucose (mmol/L) * 18.015
    • A1C (%) = (Estimated average glucose (mg/dL) + 46.7) / 28.7
    • A1C (mmol/mol) = 10.929 * (A1C (%) - 2.15)

 
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

Legal Notices and Disclaimer

All information contained in and produced by the EBMcalc system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. Click here for full notice and disclaimer.

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