Earlier quoted context omitted.
This came up in a r/AskEurope thread and at least some slavic countries use decimeters. But that's the beauty about easily convertable units. Even if other people use other conventions, the mental process to convert them is almost zero. Just imagine somebody giving their height just in inches instead of the usual feet and inches? Could you mentally parse what 76 inches are? I guess you have basically no problem with…
English/Australian people used to (still do?) measure their weight in stones and pounds. The average man was "13 stone" which is 182 pounds. US people measure their weight in pounds, 182lb So yes, a USian telling their weight to a UKian would be like saying their height in inches.
We also tend to still refer to height informally in feet and inches.
That's about our only remaining usage of imperial units apart from inches in penis size. We refer to a serving of beer between 425mL to 468mL as a pint, but it's only a descriptive term and not a legal measure.