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).

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 ...

The arrest of Representative Trey Radel (R-Fla.) for purchasing 3.5 grams of cocaine brings to mind one of the longstanding puzzles of American commerce. How is it that cocaine is sold by metric units ...

It is 200 years since Napoleon backtracked on his grand scheme to make his empire metric, but today the British remain unique in Europe by holding onto imperial weights and measures. With the UK's ...

Thirty years ago today the metric system was introduced into New Zealand says Consumer Affairs Minister Judith Tizard. The Weights and Measures Amendment Act became law on the 14 December 1976. "It ...

The French government adopted this new metric system on April 7, 1795. A conference including scientists from France, the Netherlands, Switzerland, Denmark, Spain, and Italy worked from 1798 to 1799 ...