Kadem (also ) is a defunct measurement unit used in the Ottoman Empire.
Kadem means "foot" and during the last years of the Ottoman Empire 1 kadem was set to be in accordance with the British unit of length. But before the reign of Ottoman Sultan Selim III (r. 1789–1807), kadem had a different definition. Its value was either 36.6666 cm.Islam Encyclopaedis or 37.8869 cm.Ottoman measurement page
During the Atatürk's Reforms metric system was adopted in Turkey.
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