In article >,
"Dori A Schmetterling" > wrote:

> Changing distances to km could be hugely expensive as all the road signs
> would have to be changed. The Irish did it, but it's a much smaller country
> with, I think, proportionally less traffic than the UK. Needless to say,
> for quite a while signs in miles and km were up at the same time.
>
"Not small" Canada changed from miles to KM in 1981.
Perhaps the UK is waiting the change to KM for when they start driving
on the right side. <

> Interestingly, the use of litres per 100 km is not used here. Occasionally
> one hears of miles per litre (now that IS mixed) but I think that (or km/l)
> makes more practical sense than the very common l/100 km.
L/100 KM is the standard, although I feel KM/L would make more sense.