Only Three Countries In The World Do Not Use the Metric System

Countries that do not use the metric system
Countries that do not use the metric system

Quick: What does the United States, Liberia and Myanmar have in common? These countries do not use the metric system. True fact! The U.S. uses the “customary system”, which was developed from English units, used in the British Empire. Until the mid 1800s, the units of measurements of the UK and the US were virtually the same. But as of today, the UK uses metric system, like 99% of the world.

Consider this: Back in 1999, NASA lost a $125 million Mars orbiter because one engineering team used metric units while another used the “customary units” (e.g., inches, feet and pounds) for a key spacecraft operation.  (source: NASA REPORT )

Why is the US, a global leader in so many sectors, not a member of the global system of measurements?  At some point in the 1800s, the UK decided to change its system and eventually joined the rest of the civilized world in adopting the metric system. In 1927, the US congress was bombarded by millions of people sending petitions to adopt the metric system. However, the government turned a deaf ear to its citizens and favored a lobby by the manufacturing industry, citing the cost of the conversion.

I am sure that if the government decided to add up all the lost money as a result of NOT using the metric system, they would see that the cost of conversion would not be that high. Research shows that NASA alone has lost almost $1 billion dollars as a result of “failures” and “mistakes” not too different from the Mars orbiter. Mind you, Myanmar and Liberia are planning to change to the metric system. The US can not end up as THE ONLY COUNTRY NOT USING THE METRIC SYSTEM.

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One thought on “Only Three Countries In The World Do Not Use the Metric System

  1. “True fact!” my derrierre…

    USA makes cars with all-metric nuts and bolts. We sell whiskey by 750ml. Our doctors measure our weight in kg; the NOAA measures temperature in Celsius. SO, far from being “not metric,” we use a mixture of metric and standard units *just like every other nation.* The UK uses freakin’ STONES, fer cryin out loud! How did they make the ARBITRARY cut?!?

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