Convert from jerib to carucate

Unit Definition (jerib)
The jerib is a traditional unit of land area in the Middle East and southwestern Asia. The jerib originally varied considerably from one area to another. In modern times it has become identified with the hectare in many countries, including Turkey and Iran. In Afghanistan, however, it is usually equal to 1/5 hectare (2000 square meters or 0.494 acre).

Unit Definition (carucate)
The Carucate is an another name for the hide, an old English unit of land area. The name comes from a Latin word meaning "plowland".