millimetres
The best unit for measuring the length of a pencil is inches.
inches or centimeters
centimeter
Centimeters
Centimeters
The standard length of 7.5 inches
Centimeters
The ounce.
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.
The answer will depend on whether you want the mass of a pencil, its weight, its length, width, volume. You may want to measure its colour!
The most best unit to measure the length of a slice of pizza are inches.
An average pencil when new would be around 15 centimetres long.