Unit Definition (qian [China]) The qian is a traditional Chinese weight unit. In modern China the qian is equal to 0.1 liang, or exactly 5 grams (0.1764 ounce).
Unit Definition (kwan [Japan]) The kwan is a traditional Japanese unit of weight equal to 6.25 kin, which is about 8.27 pounds or 3.75 kilograms.
Weight/Mass 
