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 ...

The metric system is used in 95 percent of the world. The United States is among the few countries that doesn’t use this system. In a globalized world, countries don’t have to convert between each ...

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 ...

I was at the supermarket recently when I took note of something my eyes had passed thousands of times before. The cans of my favorite sodas were 12 ounces, while the bottles were 2 liters. It caught ...

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 ...

On April 19, 1973, Wilson Riles, superintendent of public instruction for California. called to announce that beginning in 1976 the metric system would be taught in California. The reaction from the ...