Convert from rotl, rotel, rottle, ratel [Arab] to talent [Hebrew]

Unit Definition (rotl, rotel, rottle, ratel [Arab])
The rotl, rotel, rottle, ratel is a traditional Arab unit of weight corresponding to the Roman libra, the French livre, and the English pound. There was considerable variation in the unit from time to time and from place to place, but usually the rotl was about 0.9-1.15 pound (450-530 grams). However, in some areas of the Near East, such as Syria and Palestine, larger rotls of 5.5 to 6 pounds (2.5-2.8 kilograms) were used. This unit has many spellings in European languages.

Unit Definition (talent [Hebrew])
The talent is a historic unit of weight, used in various forms throughout the eastern Mediterranean. The Hebrew sacred talent, mentioned in the Bible, was equal to 60 minas or about 30 kilograms (66 pounds). The Greek talent, also equal to 60 minas, was smaller, 25.8 kilograms or about 57 pounds.