If you used millimeters, the figure would be too large. If you used kilometers, the figure would be too small. Meters are just right.
It is by the meter
length of a classroom white board
The meter.
measuring
unit for measuring length
meter
It is by the meter
The meter is, along with all of its power-of-ten multiples when the length is too long or too short to be conveniently described in terms of meters.
length of a classroom white board
For units of length, metre. For a measuring device, meter.
Measuring length
The SI standard unit for measuring length is the meter (m).
A meter stick can measure length in meters and centimeters. It is also useful for measuring, drawing straight lines, and serving as a straight edge.
The meter.
the meter
The meter.
Meter