A centimetre (the American spelling is centimeter, symbol cm) is a unit of length in the International System of Units (SI) measurement system. It is equal to one hundredth of a metre. Centi- is placed in front to say 'a hundredth'. The centimeter is the base unit of length in the old centimeter-gram-second (CGS) system of units. The centimetre is usually used to measure things that are too. A centimeter (cm) is a metric unit of measurement used for measuring the length of an object. Learn about the tools, conversion charts, examples, & more. Convert centimeters to feet and inches (cm to ft) for height, length or distance measurements. to represent second moment of areas (cm 4) as the inverse of the Kayser, a CGS unit, and thus a non-SI metric unit of wavenumber: 1 kayser = 1 wave per centimetre; or, more generally, (wavenumber in kaysers) = 1/ (wavelength in centimetres). The SI unit of wavenumber is the inverse metre, m −1. Centimeters to inches (cm to in) converter and how to convert. Candidate Master, an international chess title Certified Midwife, health care profession Chaconia Medal of the Order of the Trinity, a national award of Trinidad and Tobago, post-nominal CM Chief Mate, also chief officer, first mate or first officer, is the second-in-command on the ship, directly under the Captain Chief Minister, an appointed head of government. Order of Canada Member, post. Centimetre (cm), unit of length equal to 0.01 metre in the metric system and the equivalent of 0.3937 Instant free online tool for centimeter to inch conversion or vice versa. The centimeter [cm] to inch [in] conversion table and conversion steps are also listed. Also, explore tools to convert centimeter or inch to other length units or learn more about length conversions. Instant free online tool for inch to centimeter conversion or vice versa. The inch [in] to centimeter [cm] conversion table and conversion steps are also listed. Also, explore tools to convert inch or centimeter to other length units or learn more about length conversions. What does the abbreviation CM stand for? Meaning: centimeter.