I don't think you could have accomplished what you wanted with a ScanGuage II. From what I've noticed it can either do Metric only, or Imperial (US) only. I don't even think the ScanGuage II can do UK Imperial units.
Wouldn't it be just better if the entire world would just switch to the metric system already. It's obviously a better unit system from every point of view.
Canada has adopted "Metrication" in 1970 accordingly to Wiki. But 45 years later we're still in a mess
* travel distances are in km
* speed is km/h
* volume of gas is in L
* but when people talk about their height it's in ft. & in. and their weight is in pounds (lbs).
* groceries are usually labelled in $ / lbs.
* at the bar, drinks are served in pints for beer & oz. for wine & liquor.
* I work in the construction field (cost estimating) and I see both units beings used all the time, even sometimes on the same project.