›› Measurement unit: centimetre

Full name: centimetre

Plural form: centimetres

Symbol: cm

Alternate spelling: centimeters

Category type: length

Scale factor: 0.01


›› SI unit: metre

The SI base unit for length is the metre.
1 metre is equal to 100 centimetre.


›› Convert centimetre to another unit

Convert centimetre to  

Valid units must be of the length type.
You can use this form to select from known units:

Convert centimetre to  


›› Definition: Centimeter

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.


›› Sample conversions: centimetre

centimetre to pied de roi
centimetre to fist
centimetre to township
centimetre to fathom [ancient]
centimetre to mile [nautical, UK]
centimetre to meile [North Germany]
centimetre to lieue [France, nautical]
centimetre to range
centimetre to mil [Sweden]
centimetre to ell [English]