Centimetre
{{Unit of length
name=centimetre | m=0.01 | accuracy=4 A centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundreth of a metre, the current SI base unit of length. A centimetre is part of a metric system. It is the base unit in the centimetre-gram-second system of units. A corresponding unit of area is the square centimetre. A corresponding unit of volume is the cubic centimetre.
The centimetre is a now a non-standard factor, in that factors of 103 are often preferred. However, it is practical unit of length for many everyday measurements. A centimetre is approximately the width of the fingernail of an adult person.
millimetre << centimetre << decimetre << metre << kilometre1 centimetre is equal to:
* 0.01 metres, which can be represented by 1 E-2 m (1 metre is equal to 100 centimetres)
* about 0.3937 international inches (1 international inch is equal to 2.54 centimetres)
1 cubic centimetre is equal to 1 millilitre, under the current SI system of units.In addition to its use in the measurement of length, the centimetre is used:
* sometimes, to report the level of rainfall as measured by a rain gauge.For the purposes of compatibility with Chinese, Japanese and Korean (CJK) characters, Unicode has symbols for:
* centimetre (㎝) - code 339D
* square centimetre (㎠) - code 33A0
* cubic centimetre (㎤) - code 33A4
They are useful only with East Asian fixed-width CJK fonts, because they are equal in size to one Chinese character.* 1 E-2 m
* SI
* SI prefix
* Metric system
* Orders of magnitude
* Conversion of units, for comparison with other units of length* CJK Compatibility excerpt from The Unicode Standard, Version 4.1.
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