Which countries do not use the metric system?

"At this time, only three countries—Burma, Liberia, and the US—have not adopted the International System of Units (SI, or metric system) as their official system of weights and measures." We should point out that even these three countries do use elements of the metric system. read more

Choosing not to adopt the metric system does not necessarily mean that the metric system is not used, while adopting the metric system does not mean the system is in use in the country. Goods and services in Burma and Liberia often use the metric system, due to a high volume of imports. read more