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, ...

THIS diagram of the metric units of length, area and volume is printed on a sheet of paper about 3 feet 6 inches by 2 feet 6 inches. The various measures are shown full size. To be of the greatest use ...

The time has finally come for the metric system’s long-scheduled upgrade. Next week, the General Conference on Weights and Measures (CGPM) will meet for the 26th time. When it does, it will revamp the ...

The metric system is on track for a mass makeover. In an effort to provide accurate measurements at all scales, scientists are preparing to redefine four basic units by the end of 2018. The shift will ...

May is a month full of celebrations—everything from May Day and Cinco de Mayo to Mother’s Day and Memorial Day. Largely forgotten in the cornucopia of May celebrations, however, is National Metric ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. While most nations use the metric system—those units of decimals ...