Obviously from your question, the "centimeter".
yards
always the meter to measure length. This is an SI (international) unit of measurment, and is the standard international unit of measurment for length.
Probably feet of metres dependant on if you use metric or imperial.
centermeters or inches or millimeters
the least unit to measure the length is fermo meter .
The metric unit of length is the 'meter'.
The basic metric unit of measure for length is the meter (m).
there are so many largest unit of length.The 3rd longest unit of measure for length is dam.
The base unit for length is the metre.
By unit of length and distance and conversion ,we can say that the most appropriate unit to measure the length of a finger is cm.
Class room can be measure in Meters easily :)
An example of a primitive unit of measure is the length of a body part.