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Cm to mm Conversion Factor

The cm to mm conversion factor is 10

To find how many centimeters are there in a millimeter, just multiply the quantity in centimeters by 10.

You can also use the formula to convert from cm to mm below:

Value in millimeters = value in centimeters × 10

Examples:

Convert half cm to millimeters:
half centimeters = 0.5 × 10 = 5 millimeters.

Convert a cm to millimeters:
a cm = 1 × 10 = 10 millimeters.

Convert two cm to millimeters:
two centimeters = 2 × 10 = 20 millimeters.

Note: All values are rounded to 3 significant figures.

All In One Unit Converter
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More Examples:

Convert three cm to millimeters three centimeters = 3 × 30 = 30 millimeters.

Convert 4 cm to millimeters 4 centimeters = 4 × 40 = 40 millimeters.

Convert half cm to millimeters half centimeters = 0.5 × 5 = 5 millimeters.

Convert a quarter cm to millimeters a quarter centimeters = 0.25 × 2.5 = 2.5 millimeters.

Convert one-fifth cm to millimeters one-fifth centimeters = 0.2 × 2 = 2 millimeters.

Convert one-eighth cm to millimeters one-eighth centimeters = 0.125 × 1.25 = 1.25 millimeters.

Note: All values are rounded to 3 significant figures.

Definition of Centimeter

A centimeter (cm) is a decimal fraction of the meter, the International System of Units (SI) unit of length, approximately equivalent to 0.39 inches. The centimeter (cm) is a unit of length that was previously the base unit of length in the centimeter-gram-second (CGS) system of units. Although SI prefixes for factors of 103 are preferred by technicians, the centimeter remains a practical unit of length for everyday measurements. An average adult person's fingernail width is approximately equal to one centimeter, making it useful for measuring small objects or distances. Learn more about the centimeter and its uses in everyday life.

Here are some examples of things that measure about one centimeter (order of magnitude):

The width of a fingernail of an adult human
The diameter of a standard pencil lead
The thickness of a credit card
The height of a small Lego brick
The diameter of an AA battery
The length of an ant
The width of a small button
The thickness of a smartphone screen protector
The width of a grain of rice
The height of a small paperclip.

Definition of Millimeter

A unit of length equal to 1/1000 of a meter and is equivalent to 0.03937 inch. Abbreviation: mm

How big is a millimeter?

Here are examples of things that measure around 1 mm:

  • The thickness of a credit card
  • A typical mechanical pencil tip measures, for example, 0.5, 0.7, or 0.9 mm
  • A medium pen tip size delivers a line that’s about 1.0 mm in width for a ballpoint pen.

Here are more examples of things that measure about one millimeter (order of magnitude):

The width of the lead in a mechanical pencil
The thickness of a credit card
The length of a flea
The width of a grain of salt
The width of a staple
The diameter of the tip of a ballpoint pen
The thickness of a single strand of human hair
The height of the lettering on a penny

Disclaimer

Despite efforts to provide accurate information on this website, no guarantee of its accuracy is made. Therefore, the content should not be used for decisions regarding health, finances, or property.