Centimeters
Centimeters
The length of a pencil. your waist/chest measurement the dimensions of a table
Centimetres, millimetres or inches would be most appropriate for measuring the length of a ruler.
a ruler!
Micrometer
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!
You would measure it in centimeters.
A ruler would do the trick.
Centimeters
A ruler or tape measure.
Cm .
A kilometre.