In the present day, the People's Republic of China maintains some customary units based upon the market units but standardized to round values in the metric system, for example the common "jin" or catty of exactly 500g. The Chinese name for most metric units is based on that of the closest traditional unit; when confusion might arise, the word "market" (, "shì") is used to specify the traditional unit and "common" or "public" (, "gōng") is used for the metric value. Taiwan, like Korea, saw its traditional units standardized to Japanese values and their conversion to a metric basis, such as the Taiwanese "ping" of about 3.306m2 based on the square "ken". The Hong Kong SAR continues to use its traditional units, now legally defined based on a local equation with metric units. For instance, the Hong Kong catty is precisely .