I dunno man, I'm rest of the world and my dad uses pounds/feet/miles habitually despite obviously knowing kg/m/km and using SI units professionally (He's a mech

I dunno man, I'm rest of the world and my dad uses pounds/feet/miles habitually despite obviously knowing kg/m/km and using SI units professionally (He's a mechanical engineer...). I grew up on metric but eventually learned the conversion factors anyway because it's still in common use.. and for some reason we still measure houses in sq ft and tire pressure in psi...