#Thus here I can't check due to the USA using a modified imperial system even today due to the cost it would take to overhaul that.

[alcoveofconcealment]

Hey because the Wizarding side of the UK seems to be frozen somewhat in medieval era or at least tries to as a society keep to that era with clothing and other things either out of isolation or to preserve the wizard identity would they still use the British Imperial system?

Because that was used until like the 1960s. Meanwhile the wizarding world seems to be frozen somewhere between the 1400 to 1600s due to the whole statue of secrecy thing?