metres (or meters if you're amercian!)
The standard unit of measure for length in the metric system is the meter.
The standard unit of length in the metric system is called the meter. The standard unit of mass is the kilogram.
The standard unit is the meter (metre). It is equal to about 39.37 inches.
The meter.
he standard unit of length in the metric system is the meter
The standard unit of measure for length in the metric system, known as the "ku," is the meter.
The standard unit for measuring length and distance is the meter (m) in the metric system.
That is the important "metre".
" meter "
The metre (spelled meter also)
Probably that refers to expressing length in standard (metric) units, like meters, millimeters, and kilometers, instead of some non-standard (non-metric) unit like feet, or light-years.
The meter, which is defined, as of 1983, as the length of the path traveled by light in a vacuum in an interval of 1/299792458 seconds. This is a Systeme Internationale standard measurement.