Only three countries in the entire world officially use the English system: Liberia, Myanmar, and the United States of America. Every other country in the world uses the metric system. The metric system is easier to learn, more practical, and more used. In a global economy it is important that we can easily communicate with each other and measurement could bring up some confusion. For example, if you say It was a little cooler outside yesterday, it was only 73 degrees, to a person using the metric system, they would be confused because in Celsius 73 degrees is the same as 163.4 degrees in Fahrenheit. You wouldn't be able to survive at that heat. The metric system overall just makes more sense. 10 millimeters in one centimeter. 100 centimeters in one meter. 1000 meters in one kilometer.
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