Category Archives: Responses to Change

Metric tape measure

Why Isn’t the U.S. on the Metric System?

Nearly every nation on earth—except for the United States—primarily uses the metric system for all weights and measures. With its clear base-10 relationships among measurements, the metric system is easy to use. So why does the United States still mainly use the far more complicated customary measures? How Stuff Works explores the American resistance to change.