Convert from quintal [Spanish] to arratel, artel [Arab]

Unit Definition (quintal [Spanish])
The quintal [Spanish] is a traditional unit of weight in Spain. The Spanish quintal is 100 libras (about 46 kilograms or 101 pounds).

Unit Definition (arratel, artel [Arab])
The arratel is a versions of a traditional Arab unit of weight; see rotl. The spelling "arratel" is used in Portugal as an alternate name for the libra.