The standard account is that Americans are stubborn about measurement. It is not accurate.

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 ...

So much for American exceptionalism: Democratic presidential candidate Lincoln Chafee used his campaign announcement Wednesday to urge the U.S. to switch to the metric system of weights and measures. ...

When former Rhode Island Gov. Lincoln Chafee announced he was joining the 2016 Democratic primary race, some people scratched their heads when he said switching to the metric system would be one of ...

As presidential candidates attempt to win the Latino vote, the labor vote and the women's vote, Lincoln Chafee, the ex-governor and senator from Rhode Island, seems to be going for the pro-metric vote ...

The modern metric system, called the Syst me International d Unit s (or the International System of Units in English), was finalized in its current form by international agreement in 1960 and is the ...

This week is the 41st anniversary of the Metric Conversion Act, which was signed on December 23, 1975, by President Gerald R. Ford. Normally, we celebrate by sharing metric education resources, but ...

America’s reluctance to convert to the metric system was once famously lampooned by television’s longest-running animated sitcom, "The Simpsons," in an episode from way back in the Nineties. During a ...

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 ...

Premium 2-page math worksheet on converting metric units of area. Features 40 tasks tracking mm2, cm2, m2, and km2 with full worked keys included! Develop your students’ foundational measurement ...