Convert 21 cm to mm

Then to convert 21 centimeters to millimeter, we have as a result:

Definition of centimeters

The centimeter (symbol cm) is a unit of length. It is the second submúltiplo of the metro and is equivalent to the hundredth part of him.

Definition of

Calculate how much are 21 centimeters in millimeter

To know how to convert 21 cm to mm (centimeters to millimeter) we have performed the following calculation:

21 x 10 = 210

Where: We multiply the value of 21 cm by 10 to obtain the result of 210 mm. Also remember that 1 centimeters it is equivalent to 10 millimeter.