# The easiest way to calculate eAG from A1C

Discussion in 'Ask A Question' started by HICHAM_T2, Jan 20, 2019.

1. ### HICHAM_T2 Type 2 · Well-Known Member

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Good afternoon
Maybe someone here's need to calc eAG from A1C that is manually and easy
1 % = -18
2 % = 10.7
3 % = 10.7 + 28.7 = 39.4
4 % = 39.4 + 28.7 = 68.1
5 % = 68.1 + 28.7 = 96.8

So whenever we add 1 % that mean a plus 28.7mg/dl to eAG
0.1 % = 2.87 mg/dl

I know there are many ways to get this but you may need it someday

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2. ### Bluetit1802 Type 2 (in remission!) · Legend

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It would help me if I knew what eAG is!!!!

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3. ### Boo1979 Other · Well-Known Member

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Estimated average glucose

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4. ### Rachox Type 2 (in remission!) · Moderator Staff Member

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Or you could just use an on line converter
https://www.diabetes.co.uk/hba1c-to-blood-sugar-level-converter.html
@Bluetit1802 eAG is estimated average glucose

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5. ### Bluetit1802 Type 2 (in remission!) · Legend

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6. ### HICHAM_T2 Type 2 · Well-Known Member

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Exactly estimated average glucose
Or you can use this
A1C - 2 * 28.7 + 10.7

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7. ### ringi Type 2 · Well-Known Member

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@HICHAM_T2 Are you missing some brackets? Is this in US units or UK units?

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8. ### Tipetoo Type 2 · Expert

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I have a diabetes app that has a lot of converters in it, but not this one so it must not be very important to have it.

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9. ### HICHAM_T2 Type 2 · Well-Known Member

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Yes thank you
Example 5.4 -2)*28.7+10.7 = 108.28
Or 5.4 - 2 = 3.4
3.4 * 28.7 = 97.58
97.58 + 10.7 = 108.28mg/dl
US IFCC not DCCT

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Last edited: Jan 21, 2019
10. ### HICHAM_T2 Type 2 · Well-Known Member

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I know my friend but sometimes we need to calculate it manually

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11. ### JohnEGreen Other · Master

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"The Hemoglobin A1c (HbA1c) test result is a long-term diabetes management tool that provides the average blood glucose over a period of several months and is typically reported as a percentage (e.g., 7%).1 HbA1c does not, however, provide the amount of glucose in the blood right at the time of sample collection and should therefore be used in conjunction with patients’ daily monitoring of their blood-glucose levels.2
Now there is a new way to report HbA1c results called estimated average glucose (eAG), which is closer to the results reported by patients’ glucose meters. The American Diabetes Association has endorsed a formula that can be used to convert HbA1c results into an eAG value that is then reported in the same units - mg/dL - used by a glucose meter. Sharing the eAG result with patients may be more favorable since it uses a familiar unit of measure and may help them better monitor their glycemic control."

https://www.healthcare.siemens.co.u...-featured-topics/importance-estimated-glucose

It may well be a way of resolving the discrepancies reported by some between their HbA1c results and what their meters have been telling them.

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