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, ...

Students are introduced to the metric system. Introduction to Chemistry continues with a discussion of the Metric System: length, mass, volume, time and temperature are defined, and students learn the ...

Most of the world measures things using the metric system. Learn more about this standard of measurement and how it is getting more and more accurate.

The Office of Inspector General (OIG) examined the Constellation Program’s draft request to reverse its 2-year-old decision to implement the metric system (also known as the International System of ...

The metric system's governing body has added some new terms to help describe massive amounts of data. The General Conference on Weights and Measures last week added the prefixes "ronna" and "quetta." ...

The Metric Marvels is a series of seven animated educational shorts featuring songs about meters, liters, Celsius, and grams, designed to teach American children how to use the metric system. They ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

Special to The New York Times. TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print ...

Walter Block argues that “Canadians Hate the Metric System” imposed on them in 1975 (op-ed, Sept. 16). In the same year, reacting to the Metric Conversion Act, Americans resisted metrics. For example, ...