As ever more digital data is created and stored, the world needs more unit measurements to keep up with the ever-expanding numbers. To do so, the 27th General Conference on Weights and Measures on ...

Meet the metric system’s newest prefixes: ronna-, quetta-, ronto- and quecto-. Science News spoke with Richard Brown, head of metrology at the National Physical Laboratory in Teddington, England, ...

I was working in my shop one day when a cut came out slightly off, but I couldn’t tell with the naked eye. I had to break out my calipers to find out what the problem was, and it was less than 0.05 of ...

The United States is known for sticking to miles, pounds, and gallons, but behind the scenes, those units are actually defined using the metric system. Even official standards and measurements trace ...

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 ...

Have you ever noticed that the standard system of measurement tends to change when you exit the United States? Clothing sizes are often measured in centimeters instead of inches, distance is measured ...