Convert from oka, oke [Turkey] to gran [Germany]

Unit Definition (oka, oke [Turkey])
The oka, oke [Turkey] is a traditional unit of weight in Turkey and throughout the eastern Mediterranean. The oka is approximately 2.8 pounds or 1.28 kilograms, although its size varied somewhat over the large area formerly included in the Turkish empire.

Unit Definition (gran [Germany])
The gran is a traditional German weight unit, varying in size but typically about 60 milligrams.