[ranguna]

DIP and DPI is a bit far from "loads" of imperial measures.

[the-dude]

Flatcable pitch, disk sizes, screen sizes, passive SMD footprints (0805 is in use in EU as well ).

Usage of "Mil" in PCB design ( 1/1000th of an inch ).

If you look into an average computer or electronics device, lots and lots of stuff is imperial.