December 23, 2025, marks the 50th anniversary of the Metric Conversion Act, designed to bring US weights and measures in line ...

May is a month full of celebrations—everything from May Day and Cinco de Mayo to Mother’s Day and Memorial Day. Largely forgotten in the cornucopia of May celebrations, however, is National Metric ...

Americans have long used diverse weights and measures, reflecting their diverse origins. From colonial times, converting from one unit to another was part of courses in commercial arithmetic. The ...

After the French Revolution in the late 18th century, the fledgling French republic devised a new unit of measurement called the “meter”—one ten-millionth of the distance between the North Pole and ...

Ever wondered what happened to our country’s conversion to the metric system? I did too. So, I did some digging and turned up some dead bodies in the process. Advertisement Article continues below ...

The inch, based on the length of a thumb, and the foot based on, well, the length of a foot, are inherently associated with human scale (Getty/iStock) Sign up to our free Brexit newsletter for our ...

Here’s a good trivia question: What are the only 3 countries in the world that do not use the metric system? Everybody knows the good ol’ hard headed USA is in there, but the other two? How about ...

Walter Block argues that “Canadians Hate the Metric System” imposed on them in 1975 (op-ed, Sept. 16). In the same year, reacting to the Metric Conversion Act, Americans resisted metrics. For example, ...

In a presidential campaign turning largely on stagnant incomes and national security, Lincoln Chafee announced his bid for the White House on Wednesday with an unusual policy stance: He called for ...