A centimetre, unless you want to be very precise.
centimeter
Any metric unit would do. But it might be easier to pick something smaller than the length of the pencil, like a centimeter, or a millimeter.
Centimetre
It's gonna be inches/centimeters.
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.
An appropriate metric unit of mass for a pencil would be grams.
An average pencil when new would be around 15 centimetres long.
You could use either centimeters or millimeters, but probably centimeters.
A milliNewton.
What is the metric unit of a orange? What is the metric unit of a pencil? What iw the customary unit amount of water a bathtub will hold?
The basic metric unit of length is the meter (m).
The metric unit of length is the 'meter'.