>>> if you tried to take pints (which are larger than American pints at 568ml) out of British pubs in favour of the smaller half-litre FYI here in metric-land

>>> if you tried to take pints (which are larger than American pints at 568ml) out of British pubs in favour of the smaller half-litre FYI here in metric-land (well, Italy) we normally have glass of beer in the size of regular (600ml) and small (400ml), and half litre is usually used only for weissbier