Why doesn’t the U.S. use the Metric System? Pirates. In the late 1700s, the U.S. had no standardized system—each state used ...

While most of the rest of the world uses the metric system (formally known as the International System of Units, or SI), the United States uses the U.S. Customary System, which—fun fact—is ...

In the meantime, a new system of weights and measures, developed by French scientists following the Revolution of 1789, gained increasing international use. This metric system had as its fundamental ...

The metric system was introduced to standardise weights and measures. The clip could be paused when the presenter has finished describing the historical methods of measuring but has not yet ...