Do you need to know what 21 cm looks like on a ruler? Well you have come to the right place, because here we will show you exactly where 21 centimeters (cm) is located on a ruler.
Our wooden centimeter ruler from geometry class is labeled with centimeters. Each number indicates an increase of one centimeter, and each centimeter is separated by ten millimeters. The image below shows the location of 21 cm on our ruler.
As you can see on the image above, we marked the exact spot where 21 cm is on the ruler with a blue pin.
Centimeters on a Ruler
21 cm on a ruler is not the only length we have an image of. Here you can find another centimeter length on a ruler.