Gallon pints. These pints are divided into two cups (though the imperial cup is rarely used now), which in turn are divided into two gills (gills are also rarely used). Thus a gallon is equal to four quarts, eight pints, sixteen cups or thirty-two gills. The imperial gill is further divided into five fluid ounces, whereas the US gill is divided into four fluid ounces. Thus an imperial fluid ounce is of an imperial pint or of an imperial gallon, while a US fluid ounce is of a US pint or of a US gallon. The imperial gallon, quart, pint, cup
Pint or "octarii"; symbol O) reflected the "eighth" concept in its "octa-" syllable. Because of the variety of definitions of a gallon, there have been equally many versions of the pint. America adopted the British wine gallon, defined in 1707 as 231 cubic inches exactly (3 in × 7 in × 11 in) as its basic liquid measure, from which the US wet pint is derived; and the British corn gallon ( of a standard "Winchester" bushel of corn, or 268.8 cubic inches) as its dry measure, from which the US dry pint is derived. In 1824, the British parliament replaced