Centimetre

A centimetre (international spelling) or centimeter (American spelling) (SI symbol cm) is a unit of length in the International System of Units (SI), equal to one hundredth of a metre, centi being the SI prefix for a factor of 1/100.[1] Equivalently, there are 100 centimetres in 1 metre. The centimetre was the base unit of length in the now deprecated centimetre–gram–second (CGS) system of units.

Not to be confused with Millimetre.

centimetre
A carpenter's ruler with centimetre divisions
General information
Unit systemSI
Unit oflength
Symbolcm
Conversions
1 cm in ...... is equal to ...
   millimetres   10 mm
   imperial & US system   ~0.3937 in
Look up centimetre in Wiktionary, the free dictionary.
For broader coverage of this topic, see metre.
Different lengths as in respect to the Electromagnetic spectrum, measured by the Metre and its deriveds scales. The Microwave are in-between 1 meter to 1 millimeter.

Though for many physical quantities, SI prefixes for factors of 103—like milli- and kilo-—are often preferred by technicians, the centimetre remains a practical unit of length for many everyday measurements. A centimetre is approximately the width of the fingernail of an average adult person.

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This article uses material from the Wikipedia article Centimetre, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.