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. They range from the smallest, 'yocto' (1 ...

New unit measurement prefixes are added to the metric system The mass of the Earth can now be measured as 6 ronnagrams rather than 6,000 yottagrams. An electron's mass can now be said to be about ...

But the new prefixes, including "ronna" and "quetta," could also be used in other measurements. (The Earth weighs about 1 ronnagram, according to the most recent issue of the journal Nature .) ...

Scientists have approved the introduction of four new prefixes that can be applied to units of measurement in the metric system. When you purchase through links on our site, we may earn an ...

Meet the metric system’s newest prefixes: ronna-, quetta-, ronto- and quecto-. Adopted November 18 at the 27th General Conference on Weights and Measures in Versailles, France, ronna- and quetta ...