रूपांतरित करें जौ का दाना से मीटर
जौ का दाना
The barleycorn is an old English लंबाई की मात्रक के बराबर 1/3 of an inch (8.47 mm), based on the length of a grain of barley. It is historically significant as the basis for the modern shoe-size system used in the United Kingdom and the United States, where each shoe size increment represents one barleycorn. The unit dates back to at least the 14th century in English measurement tradition.