Vietnamese units of measurement (Vietnamese: hệ đo lường Việt Nam) are the largely decimal units of measurement traditionally used in Vietnam until metrication.
The base unit of length is the thước (chữ Nôm: 𡱩; lit.
With French colonization, Cochinchina converted to the metric system, the French standard, while Annam and Tonkin continued to use a thước đo đất or điền xích equal to 0.47 metres (1 ft 7 in).
Under French colonial rule, Vietnam used the units hào, xu, chinh, and cắc.
After the Vietnam War, chronic inflation caused both subdivisions to fall out of use, leaving đồng as the only unit of currency.