Diabetes Blood Glucose Home Testing
The readings are invariably in mmol/l, whereas the modern readings taken by UK medical authorities are in mmol/mol (HbA1c).
For example, a meter reading of 6.5 equals an HbA1c reading of 40, in the good acceptable control range.
To convert your meter readings into HbA1c simply use the following links, which you can save conveniently on you computer etc.
https://www.diabeteschart.org/bgc10.html
Also see -
https://tinyurl.com/3kcxjcy4