Originally Posted by
dodgeflyer
Must say that when bottles start getting sold in duty free size (ie 1L) you know you’re no longer aiming at premium. At least here in Europe (Norway/UK) it still just comes as a 0.5L.
It’s economizing!
The standard bottle size in the US is 750ml, which many people still call “a fifth” because it’s close to the 1/5 gallon size (757 ml) that liquor used to come in before the early/mid 20th century.
edit: of course there’s a Wikipedia article.
https://en.m.wikipedia.org/wiki/Fifth_(unit)