This metric system had as its fundamental unit of length the meter, defined to be a small fraction of the length of a meridian of the earth. Other units of length were decimal multiples or fractions ...

The ongoing use of the imperial system in the United States, despite the global adoption of the metric system, raises ...

These standard units can be divided into two separate groups: imperial and metric. Depending on where ... would traditionally have used the imperial system of measurement. Despite being seen ...

a group that argues for America to convert to the metric system, says that America’s traditional units of measurement are a ...

A nanometer (nm) is a unit of length in the metric system, defined as one billionth (10-9) of a meter (m). The meter is the base unit of length in the International System of Units (SI), making the ...

A nanosecond (ns) is a unit of time in the metric system, equal to one billionth (10-9) of a second (s). The second is the base unit of time in the International System of Units (SI), making the ...

or among units of length, volume and weight. In other words, the French introduced not only national standards, but a system of standards. It survives today as the metric system.

These standard units can be divided into two separate groups: imperial and metric. Depending on where ... would traditionally have used the imperial system of measurement. Despite being seen ...