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 fluid pint of water weighs about a pound (16 ounces), resulting in the popular saying, "A pint's a pound, the world around." However, a US pint of water weighs 1.04375 pounds and the statement does not hold the world around because the imperial (UK) pint, which was also the standard measure in Australia, India, Malaya, New Zealand, South Africa, etc., weighs 1.25 pounds. A different saying for the imperial pint is "a pint of water's a pound and a quarter". The pint is traditionally one-eighth of a gallon. In the Latin of the apothecaries' system, "octavius" or "octarius" (plural "octavii"