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Real members of DiabetesTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
December 15, 2025
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DiabetesTeam

Are readings like 6.6 from outside the US real-time blood sugar or A1c results?

Great question! When you see members from outside the US posting numbers like 6.6, they're most likely sharing their real-time blood glucose readings, not A1c results. The difference comes down to how blood sugar is measured in different Show Full Answer

Are readings like 6.6 from outside the US real-time blood sugar or A1c results?

Great question! When you see members from outside the US posting numbers like 6.6, they're most likely sharing their real-time blood glucose readings, not A1c results. The difference comes down to how blood sugar is measured in different countries.

In the US, blood glucose is measured in mg/dL (milligrams per deciliter), which typically shows readings like 120, 150, or 200. Outside the US, many countries use mmol/L (millimoles per liter), which gives lower numbers like 6.6, 8.3, or 11.

A1c is always reported as a percentage (like 6.5% or 7%) and represents your average blood sugar over the past 2-3 months. It's measured the same way worldwide through a blood test at your doctor's office or lab.

So when you see those lower numbers from international members, they're talking about their daily glucose readings, just measured in a different unit. There aren't home A1c meters - A1c testing requires a blood sample analyzed by a lab.

December 15, 2025
A DiabetesTeam Member

If you want to figure out what that number is in US measurements you multiply their number by 18. So if someone posts 6.6 multiply by 18 equals 118.8

December 16, 2025
A DiabetesTeam Member

@A DiabetesTeam Member

Thank you Glenn 🤗

December 16, 2025
A DiabetesTeam Member

@A DiabetesTeam Member
Thanks, I thought that was the case just wasn't 100% sure that A1C meters might have been available outside US. BTW great A1C numbers for you.

December 15, 2025
A DiabetesTeam Member

@A DiabetesTeam Member

Yes Glenn. In South Africa and many other countries, readings are in millimoles per litre (mmol/L.
My A1C test ranges from 5.3 to 5.4 every 3 months.

December 15, 2025 (edited)

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