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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

As president of the U.S. Metric Association, Donald Hillger would like to think that his non-profit advocacy group had something to do with presidential candidate Lincoln Chafee's call for America to ...

Announcing his quirky run for the White House on Wednesday, Lincoln Chafee may have inadvertently touched one of the more obscure third rails of American politics: conversion to the metric system, or ...

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 ...