Metre.
You could measure the length of a lunchroom in feet or meters, depending on which unit of measurement you prefer to use.
The SI unit used to measure length is the meter (m).
The meter is the standard unit of measurement for length in the SI system.
A common metric unit used to measure the length of a ship is meters (m). This unit provides a standard measure that is easily understood and conveyed in the maritime industry.
In the English system, probably inches. In the metric system, probably centimetres.
Meter or Centimeter
cm mm
A "length" is not a standard unit of measure.
Well the SI unit of length is the meter, and SI is the first standard measurement system...
Metre.
You could measure the length of a lunchroom in feet or meters, depending on which unit of measurement you prefer to use.
Centimeter
The SI unit used to measure length is the meter (m).
Meter or Metre depending on how your county spells it.
Laugh out loud
Standard unit of length