The metric system is used in Taiwan. Speed limits, highway markers, and speedometer information are given in kilometers.
Distance/lenght
Centimeter (公分)
Meter (公尺 or 米)
Kilometer (公里)
Volume
Liter (公升)
Weight
Gram (公克)
Kilogram (公斤)
In produce markets, Taiwanese weighing units are also used. One tai jin or simply jin (台斤 or 斤) is equivalent to 600g. In Taiwanese/Hokkien, this unit is called kin.
Clothing sizes may be scaled to suit East Asians; therefore, always try the clothing on before purchasing it.