# mm to cm

 From millimeter (mm) centimeter (cm) meter (m) kilometer (km) inch (in) foot (ft) yard (yd) mile (mi) To millimeter (mm) centimeter (cm) meter (m) kilometer (km) inch (in) foot (ft) yard (yd) mm = ? 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 =
 mm 10

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

64 mm =
 64 10
cm = 6.4 cm