Americans definitely love their larger 1/4 lb’ers over the smaller European 1/3 lb patties
(lemmy.world)
Common enough in a drinks context. But really, that doesn't matter because it's metric: you're not going to end up with 4269 fartbuckets to the whateverthefuck. Instead it says centi so it's a 100th of the thing, which is barely even mental arithmetic at all.
It's slightly larger than the standard 500ml can, the + is because they'd like to emphasize the "bonus"