United States customary units ounces. The fluid ounce derives its name originally from being the volume of one ounce avoirdupois of water, but in the US it is defined as of a US gallon. Consequently, a fluid ounce of water weighs about 1.041 ounces avoirdupois. The saying "a pint's a pound the world around" refers to 16 US fluid ounces of water weighing approximately (about 4% more than) one pound avoirdupois. An imperial pint of water weighs a pound and a quarter (20 oz). There are varying standards for barrel for some specific commodities, including 31 gal for beer, 40 gal for whiskey or
Saint Helena pound can take place. Indicative rates for other currencies can be obtained as follows: Notes Sources Saint Helena pound The Saint Helena pound is the currency of the Atlantic islands of Saint Helena and Ascension, which are constituent parts of the British overseas territory of Saint Helena, Ascension and Tristan da Cunha. It is fixed at parity with the pound sterling and as such both currencies are commonly accepted and circulated. It is subdivided into 100 "pence". Tristan da Cunha, the third part of the territory, officially adopted the Pound sterling. However, there are occasionally commemorative coins minted for the island.