>>510279546
it's complicated, our founding fathers rejected the metric system, but technically we passed the metrification act in the 70s, and have converted to a mixed system, but it's completely voluntary and most people just went
>ehhh... who gives a shit
and kept carrying on carrying on. technically we learn both systems, but lean heavily towards us customary out of national pride. cars have mph and kph, school teaches how to convert between feet and yards, millimeters and decimeters, drinks come in ounces and ml
but... who gives a shit? you know?