Class room can be measure in Meters easily :)
The metric unit of length is the 'meter'.
Meters are used to measure length.Meters are used to measure length.Meters are used to measure length.Meters are used to measure length.
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.
metre
meters
micrometres.
centimeter
inches
Kilometers are a unit of length, used to measure distance.
The length is called the astronomical unit.
Length you mean? Length= meter.
Inches and feet.