Myanmar and Liberia are the only other countries in the world that haven't officially adopted the metric system yet. In both countries, metric measurements are used alongside imperial ones.
According to the U.S. Central Intelligence Agency's online The World Factbook (2016), the only countries that have not adopted the metric system are Myanmar (also known as Burma), Liberia and the United States.
The UK does use the metric system for almost all things, the only exceptions being road distance/speed, and selling beer in pubs. This is because it is simply what the public is used to, would cost a lot and cause much disruption to change, and there is no actual benefit in these being “scientific”.
three countries"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."
The biggest reasons the U.S. hasn't adopted the metric system are simply time and money. When the Industrial Revolution began in the country, expensive manufacturing plants became a main source of American jobs and consumer products.
Myanmar isolated itself after gaining independence from Britain, therefore, it never required a common measurement system with the rest of the world.
In Britain, metrication was formally endorsed by the government in 1965, but the imperial system is still commonly used. The mix confuses shoppers, children and holiday makers. New YouGov research reveals the continuing extent of Britain's metric muddle.
The United States has official legislation for metrication, however, conversion was not mandatory and many industries chose not to convert, and unlike other countries, there is no governmental or major social desire to implement further metrication.
You've probably heard that the United States, Liberia, and Burma (aka Myanmar) are the only countries that don't use the metric system (International System of Units or SI). Countries that have not "officially" adopted the metric system (The United States, Myanmar, and Liberia) in gray.
RM-1 districts are primarily intended to accommodate moderate-to-high density, multi-unit residential buildings in areas where such development already exists or where it is desired in the future. Single-family dwellings do not require zoning approval.
The BK stands for Blood Killa, the PK stands for People Killa (the Bloods fall under People Nation, which is the rival of the Folk Nation, which is where the Crips fall). The HK stands for Hoover Killa. The below picture is an example of Hoover 74 Crips. Page 12.