公斤 gōngjīn HSK2 kilogram Origin Definitions Defs Strokes Stroke Words Sentences Sents 公 gōng noun international/metric international standard; related to the metric system斤 jīn noun jin A unit of weight; one catty. In mainland China, it is exactly 500 grams (0.5 kg). In Taiwan, it is 600 grams. In Hong Kong and Southeast Asia, it is approximately 604.8 grams.