In the metric system, centimeters (cm) would be the best unit to use.
millimetres
centimeters is the best for measuring the length of a pencil. meters could be used but not as convenient. microns (1 millionth of a meter) is definitely too small.
Probably millimeters.
Metres.
The answer is a meter!!!!!!!!!!!
mm, cm or m.
milli meter
Depends on how long the pencil is.
Inches is the best unit of measure.
Either a meter stick or a metric tape.
The length of a pencil is best measured in centimeters
meter * * * * * A metre to measure length. I suppose the person who answered that has a mass of 10 feet! The best units for the mass of a pencil eraser are gram or milligram.