Pound (mass) divided as the tower ounce. It never became a legal standard in England; the use of this pound waxed and waned with the influence of the Hansa itself. A London pound was equal to 7,200 troy grains (16 troy ounces) or, equivalently, 10,240 tower grains (16 tower ounces). In the United States, the avoirdupois pound as a unit of mass has been officially defined in terms of the kilogram since the Mendenhall Order of 1893. That Order defined the pound to be pounds to a kilogram. The following year, this relationship was refined as pounds to a kilogram, following a
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.