This one always seems silly to me. If you wanted to use SI units, it'd be meters/second. Or maybe km/sec if you were going really fast. Having hours in your

This one always seems silly to me. If you wanted to use SI units, it'd be meters/second. Or maybe km/sec if you were going really fast. Having hours in your velocity units means you've got a dumb 3600 in there if you wanted to do any math with acceleration. I guess the real benefit to km/h is that it allows people to act superior without knowing it's just as dumb as imperial units.