When I asked in a tweet: “Has anyone got any genuine reasons why imperial is better than metric?” – I had over 2,000 replies in just over 24 hours. Did it help me make up my mind? One argument for ...

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 ...

Canadians measure their height in feet and inches but record distances in kilometers, express the air temperature in degrees ...

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. ...

Expats and tourists from the United States come to Costa Rica with a handicap. While most of the rest of the world, including Costa Rica, is using the metric system, the U.S., despite several efforts ...

When Sally Mitchell, a science teacher at East Syracuse Minoa Central High in Syracuse, New York, spoke to a group of students at the recent U.S. Department of Energy National Science Bowl, she ...

Atlas Obscura on Slate is a blog about the world’s hidden wonders. Like us on Facebook and Tumblr, or follow us on Twitter. For better or worse, the United States remains one of only three countries ...

The U.S. Metric Program may be the loneliest office in Washington. Located about 30 minutes from the White House, its headquarters is in the much larger—and better funded—“measurement standards ...

Effortlessly switch between different metric units using our Metric System Converter, which allows for smooth conversions between meters, kilometers, kilocalories, and kilojoules. Metric units are ...