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A centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundredth 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 << kilometre
Equivalence to other units of length 1 centimetre is equal to: 1 cubic centimetre is equal to 1 millilitre, under the current SI system of units. Uses of centimetre In addition to its use in the measurement of length, the centimetre is used: Unicode symbols For the purposes of compatibility with Chinese, Japanese and Korean (CJK) characters, Unicode has symbols for: They are useful only with East Asian fixed-width CJK fonts, because they are equal in size to one Chinese character. See also | ||||||||
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