 Nyora kupfuurira kweiyi ndima - Mushure meUnited States Declaration of Independencezviyero zvokuyera muUnited States zvakava izvo zvino zvinozivikanwa sezviyero zvetsika. United Kingdom yakagadziridza gadziriro yayo yokuyera muna 1826, apo yakaunza gadziriro yeumambo yezvikamu. Izvi zvakaita kuti nyika mbiri idzi dzive nemarita akasiyana. Gare gare muzana remakore, pakaitwa nhamburiko dzokuwiriranisa rondedzero yepaundi neyardi munyika mbiri kupfurikidza nokushandisa makopi emipimo yakagamuchirwa neParamende yeBritain muna 1855. Zvisinei, aya aiva mameturu asina kunaka kana achienzaniswa neaya akagadzirwa nokuda kweConvention of the Meter. Muna 1960 nyika mbiri idzi dzakabvumirana kuti dzigadzirise yard nepound zvakafanana zvichibva pane zvakarehwa nemita nekirogiramu. Iyi chinjo, iyo yakaenzana nezvikamu zvishomanene pamiriyoni, yakanga ine tapuro duku muUnited Kingdom, asi yakaguma neUnited States kuva nemitemo miviri yakasiana zvishoma yokuyera kwokuratidza - gadziriro yenyika yose, uye gadziriro yevanzveri. 