mm to cm
This converter makes instant conversions from millimeters (mm) to centimeters (cm). It also provides the conversion steps. To use the converter, please provide a value in the input field. The converter will begin making conversions as the values are being typed in.
How many centimeters in a millimeter?
Both centimeter and millimeter are units of length in the International System of Units (SI). In SI, units of measurement are comprised of a base unit and a prefix that describes the magnitude of the unit. Both the base units of the centimeters and millimeters are the meter. The prefix "centi" indicates the magnitude 10^{2} and the prefix "milli" indicates the magnitude 10^{3}. In other words, a centimeter is = 0.01 meters and a millimeter is = 0.001 meters. Based on these definitions, there are = 0.1 centimeters in a millimeter or there are 10 millimeters in a centimeter.
How to convert millimeters to centimeters
Based on the definition of 10 mm in 1 cm, the mm to cm conversion formula is:
cm = 

Thus, to convert from millimeters to centimeters, divide a value in millimeters by 10. For example, convert 64 millimeters to centimeters:
64 mm = 

cm = 6.4 cm 