Before measuring something, it is important to know which unit to use. Estimating its approximate size by comparing it with a more familiar object can help. In order to find a suitable unit of measure ...

Back when I was a Catholic-school kid in northern Wisconsin, my school lessons briefly focused on the metric system. This was in the late 1970s. Along with learning cursive and the referents of rosary ...

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 ...

In 1975, the United States passed the Metric Conversion Act. The legislation was meant to slowly transition its units of measurement from feet and pounds to meters and kilograms, bringing the US up to ...