Pint a limited extent in Commonwealth nations. In the United States, two pints are used: a liquid pint (≈ 473 ml) and a less-common dry pint (≈ 551 ml). Each of these pints is one-eighth of its respective gallon, but the gallons differ. This difference dates back to 1824, when the British Weights and Measures Act standardised various liquid measures throughout the British Empire, while the United States continued to use the earlier English measure. The imperial pint consists of 20 imperial fluid ounces and the US liquid pint is 16 US fluid ounces, making the imperial fluid ounce about 4%
Pint varies, but usually contains 425 ml. In Canada, the "pint of beer" served in pubs and bars has long been considered a colloquial term for "a large glass of beer". Legally speaking, after 1873, it was defined as one British imperial pint of 20 imperial ounces. On the other hand, the United States continued to use a smaller 16 imperial ounce pint, while in French Canada after 1873 a "pinte de bière" was defined as a much larger 40 ounce quart of beer, so confusion arose to which was being used. Prior to 1961, bottled beer in Canada was served