unit of length equal to 1/100 of a metre From Wikipedia, the free encyclopedia

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 big for millimetre but too small for metres. A centimetre is close to the length of a fingernail.

1 centimetre is *equal* to:

- 10 millimetres
- 0.01 metre (1 metre is equal to 100 centimetres)
- about 0.393700787401575 inch (1 inch is equal to 2.54 centimetres)
^{[1]}

1 cubic centimetre is equal to 1 millilitre, under the SI system of units.

The centimetre is also used:

- sometimes, to measure how much rain has fallen into a rain gauge;
^{[2]} - for heights of people, especially athletes, in metric nations;
- in maps, centimetres are used to change from map scale to real-world scale of landscapes (kilometres).

The centimetre has Unicode symbols so it can be written in Mandarin Chinese, Japanese and Korean characters. ^{[3]}

- centimetre (㎝) - code 339D
- square centimetre (㎠) - code 33A0
- cubic centimetre (㎤) - code 33A4

They are placed into one character, and it is mostly used with East Asian fonts.

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.