Comment on You've Just Been Hit By The Metric System Boys
MyRumIsVodka@lemmy.dbzer0.com 13 hours agoWhy do they use CM?
Precision. “17dm” can be anything between 16.5dm or 17.5dm.
You could of course say “I’m 17.5dm tall”, but at this point “I’m 175cm tall” is shorter (no dot).