Convert from chin [China] to carat [UK]

Unit Definition (chin [China])
The chin [China] is one of several spellings in English for the jin, a traditional Chinese weight unit.

Unit Definition (carat [UK])
The carat [UK] is a unit of mass used for diamonds and other precious stones. In the U. S. and Britian, the diamond carat was formerly defined by law to be 3.2 troy grains, which is about 207 milligrams.