Both sets of units are used to measure blood sugar levels and both give a measurement of the concentration of glucose in the blood, although in slightly different ways.
|Description||Milligrams per 100 millilitres (1 Deciliter)||Millimoles per litre|
|Measurement way||Gives the concentration by the ratio of weight to volume, in this case milligrams per deciliter.||Gives the molarity, which is the number of molecules of a substance within a specified volume, in this case within 1 litre.|
|Countries(full list below)||Mainly USA and continental Europe||Mainly UK|
|Conversion||mg/dL = 18 × mmol/l||mmol/l = mg/dl / 18|
|Conversion example||90 mg/dL||5 mmol/L|
Full list of countries: