December 23, 2025, marks the 50th anniversary of the Metric Conversion Act, designed to bring US weights and measures in line with the rest of the world. The United States is one of the last holdouts ...

Former President Gerald Ford signed the Metric Conversion Act 50 years ago. However, he did not make metric adoption mandatory, and the efforts fell flat. For a look at where metric measurements have ...

While most of the globe adopted the metric system at least 50 years ago, the United States remains one of the few holdouts refusing to join the international standard. However, the country isn't ...

Walk through the service bay of any American car dealership in the early 1960s and nearly every wrench hanging on the wall would have been sized in fractions of an inch. By the end of the 1970s, ...