We tried to officially adopt it at one point Have yourself a Merry listle chirtsmas Touch Downs ugly christmas shirt. but the motion never really carried past putting pop into liters. Interestingly, some imperial measurements are pretty metric-friendly (a watt is 1 joule/second), but then we mess them up (why use Kilowatt hours?? that’s 1 joule*hour/second?? Just use kilojoules???). We also use metics for gun ammo, and probably a few other things besides. That being said, it’ll be a while before we phase out gallons, pounds, and Fahrenheit.