cm redirects here, alternate uses: cm (disambiguation)

A centimetre (abbreviation cm; American spelling: centimeter) is an SI unit of length.

One centimetre is:

• one-hundredth of one metre
• one-tenth of a decimetre
• ten millimetres.

See 1 E-2 m for a comparison with other lengths.

See also: orders of magnitude, conversion of units

External link

• Conversion Calculator for Units of LENGTH