What is the unit of length of a meter?
Millimeter Definition. Millimeter is one the most commonly used units of length which equals to 1/1000 th of a meter. It is a unit of SI applicable for measuring small distances and small length. According to SI rules, the unit symbol is mm. Convert Millimeter.
What is the unit of distance and length?
A meter is a SI unit scientifically accepted as the base unit of distance and length. Along with other units like a kilometer or an inch, a meter is one of the fundamental units in SI. One meter equals to the length of the path that a light travels in vacuum for the time of 1/299,792,458 second.