CM
skate board
3.81 cm
If Facebook is 25 centimeters long then it is 250 millimeters long.
a paper clip is 3 centimeters
There are 12.7 centimeters in 5 inches.
3.4 kilometers is 340,000 centimeters.
1 meter=100 centimeters
A meter is equal to 100 centimeters.
A pencil is about 19 centimeters long
Inches if you are in the US, centimeters or millimeters everywhere else.
3x3x3 = 27 cubic centimeters