We've explained dozens of times over the years the difference between P-metric and imperial tire sizes so we won't cover a whole lot of the same ground, but we really haven't published a conversion ...

The metric prefixes mega, kilo, deci, centi, milli, micro are defined. Introduction to Chemistry - Metric Conversions: the metric prefixes mega, kilo, deci, centi, milli, micro are defined, and ...

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 ...

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 ...

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 ...

In our Tire Talk forum, some of our readers have questioned the interchangeability of P-metric and Metric tire size designations. But answering this question is like asking how to solve the national ...

On Wednesday, when former Rhode Island Gov. Lincoln Chafee announced his bid for the Democratic presidential nomination, his remarks on the occasion contained some of the usual sentiment about the ...

Environment Canada’s use of Celsius turns 50 years old in 2025. It was the catalyst of a lengthy national metric conversion that abruptly ended a decade after it began. The result is seen and felt ...