[PontifexMinimus]

In Britain the standard glass size is 568 ml, i.e. a pint.

[hug]

Having not traveled to the UK, is a half pint not also a fairly standard size?

Pubs in Melbourne generally serve pints and "pots", aka half-pints.

[PontifexMinimus]

You can buy beer in halfs, but people more usually buy a pint.

[satvikpendem]

That's about two drinks, then.