Cor

The cor (also called homer) was the largest dry and liquid measure in the Old Testament system of weights and measures. Its capacity was approximately 220–230 liters (roughly 6–6.5 bushels or about 58 U.S. gallons), making it equivalent to ten ephahs for dry goods or ten baths for liquids. Ezekiel specifies this equivalence in Ezekiel 45:14, standardizing the cor as the basis for fair measurement in the restored land. The cor of barley is equated with the bath of oil as the standard unit of tribute.

Solomon's daily provision required thirty cors of fine flour and sixty cors of meal (1 Kings 4:22), illustrating the enormous scale of royal provisioning. His commercial arrangements with Hiram of Tyre involved payment in wheat and oil measured by the cor (1 Kings 5:11; 2 Chronicles 2:10). Jotham's tribute from the Ammonites included ten thousand cors of wheat and barley annually for three years (2 Chronicles 27:5). The cor's large capacity made it the standard unit for bulk commodity transactions in royal, commercial, and temple contexts throughout the monarchic period.