Convert from mkono [Africa] to yard

Unit Definition (mkono [Africa])
The mkono is a traditional unit of distance in East Africa, standardized under British rule as 1/2 yard (18 inches, or 45.72 centimeters). This unit is an African version of the cubit.

Unit Definition (yard)
The yard is a fundamental unit of length in both the U.S. Customary System and the British Imperial System. Originally taken to be the average length of a stride, the yard is actually equal to 3 feet; defined as 91.44 centimeters.