Back when I was a Catholic-school kid in northern Wisconsin, my school lessons briefly focused on the metric system. This was ...

Units from the metric system can be used to describe the mass, volume or length of an object. Mass is measured in grams (g) and kilograms (kg). Volume is measured in millilitres (ml) and litres (l).

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 ...

When it comes to measurement systems, the world largely follows a single standard: The metric system. Yet, the United States ...

Libby Nelson is Vox’s editorial director, politics and policy, leading coverage of how government action and inaction shape American life. Libby has more than a decade of policy journalism experience, ...

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 ...

A metric prefix is a numerical multiplier that is placed before a basic unit of measure to indicate a specified multiple or fraction of that unit. The 20 recognized metric prefixes have been specified ...

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 ...

Units from the metric system can be used to describe the mass, volume or length of an object. Mass is measured in grams (g) and kilograms (kg). Volume is measured in millilitres (ml) and litres (l).