It is still used on construction sites. Generally height and breadth in inches, length in metres.
Chippies still refer to mails in inches Road signs are in miles and the count down signs for turn off from duel carriageways and motorways are in yards.
Barrels are measured in Gallons whether oil or beer.
and wehen did you last hear someone
BRAGGING that his dick was 22 centimetres long??
Absolutely definitely we stopped using metric 30 years ago. That's why the probably don't teach it any more.
But who knows, that might change.