Convert from jerib to arpent [Canada]

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 (arpent [Canada])
The Arpent is a traditional unit of area in French North America (Québec and Louisiana), equal to one square arpent [1]. The arpent of area equals 900 square toises, 100 (square) perches, approximately 0.8445 acre or 0.3419 hectare. By the official Canadian definition, the arpent of area contains 36 800.667 23 English square feet or about 0.844 827 acre (0.341 889 hectare).