# Difference between revisions of "Celsius"

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− | '''Celsius''' is a [[ | + | The '''Celsius''' (also '''Centigrade''') scale is a was [[measure|measuring]] [[temperature]]. Originally, <math>0^\circ\mathrm{C}</math> was defined as the temperature at which water freezes at 1 [[atm]], and <math>100^\circ\mathrm{C}</math> as the temperature at which water boils at 1 atm. |

− | However different thermometers register slightly different temperatures at these points, | + | However, since different thermometers register slightly different temperatures at these points, the [[absolute zero]] and the [[triple point]] of water are used to fix the Celsius scale. They are defined, respectively, to be <math>-273.15^\circ\mathrm{C}</math> and <math>0.01^\circ\mathrm{C}</math>. |

+ | ==Conversion== | ||

+ | *Celsius to [[Fahrenheit]]: <math>^\circ\mathrm{F}=\tfrac{9}{5}\cdot{}^\circ\mathrm{C}+32</math> | ||

+ | *Celsius to [[Kelvin]]: <math>\mathrm{K}={}^\circ\mathrm{C}-273.15</math> | ||

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+ | {{stub}} | ||

[[Category:Definition]] | [[Category:Definition]] | ||

[[Category:Physics]] | [[Category:Physics]] | ||

[[Category:Units]] | [[Category:Units]] | ||

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## Revision as of 18:02, 18 December 2008

The **Celsius** (also **Centigrade**) scale is a was measuring temperature. Originally, was defined as the temperature at which water freezes at 1 atm, and as the temperature at which water boils at 1 atm.

However, since different thermometers register slightly different temperatures at these points, the absolute zero and the triple point of water are used to fix the Celsius scale. They are defined, respectively, to be and .

## Conversion

- Celsius to Fahrenheit:
- Celsius to Kelvin:

*This article is a stub. Help us out by expanding it.*