This is correct Martin. Although, having just returned from a visit to Canada,
the US gallon now seems to be the de facto gallon there.
Interestingly, on this last visit, when I ordered a glass of wine in a
restaurant, the waiter asked whether I wanted the ‘6 ounce’ or the ‘9 ounce’
size. Now
Not knowing the size of your wine glasses can have serious drink-drive
consequences.
I don’t know how a “unit” of alcohol is measured in the US (there does not
appear to be a Europe-wide standard let alone a world-wide standard). In the
UK, one “unit” of alcohol is defined as being 10 ml
Martin,
The TTB (responsible agency) had proposed a unit of alcohol equal to 0.5 US fl
oz (computed from % alcohol by volume). If you allow for minor rounding, about
15 mL or 12 g of pure ethanol. It never was officially approved but seems to
have some informal use treating the 3 possible
