Difference between revisions of "Celsius"
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| − | The '''Celsius''' is used by scientists to measure [[temperature]]. The scale was originally defined such that at standard atmospheric pressure [[water]] freezes at 0 ºC and boils at 100 ºC. To convert from [[Fahrenheit]] to Celsius take the Fahrenheit temperature, subtract 32 then multiply by 5 and divide by 9. | + | The '''Celsius''' scale is used by scientists to measure [[temperature]]. The scale was originally defined such that at standard atmospheric pressure [[water]] freezes at 0 ºC and boils at 100 ºC. To convert from [[Fahrenheit]] to Celsius take the Fahrenheit temperature, subtract 32 then multiply by 5 and divide by 9. |
| − | One Celsius degree is equal to one [[Kelvin]], with an offset such that T(°C) = T(K) - 273.15. So | + | One Celsius degree is equal to one [[Kelvin]], with an offset such that T(°C) = T(K) - 273.15. So [[absolute zero]], 0 K, (the temperature at which there is no heat) is -273.15 degrees Celsius. |
Celsius is the commonly used unit of temperature in Europe and Canada, but in the United States, Fahrenheit is still preferred. | Celsius is the commonly used unit of temperature in Europe and Canada, but in the United States, Fahrenheit is still preferred. | ||
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''Centigrade'' is a term commonly used as a synonym of Celsius, especially when giving weather temperature on the air. | ''Centigrade'' is a term commonly used as a synonym of Celsius, especially when giving weather temperature on the air. | ||
| − | See | + | ==Also See== |
| + | *[[Metric System]] | ||
==External links== | ==External links== | ||
Revision as of 23:23, October 26, 2008
The Celsius scale is used by scientists to measure temperature. The scale was originally defined such that at standard atmospheric pressure water freezes at 0 ºC and boils at 100 ºC. To convert from Fahrenheit to Celsius take the Fahrenheit temperature, subtract 32 then multiply by 5 and divide by 9.
One Celsius degree is equal to one Kelvin, with an offset such that T(°C) = T(K) - 273.15. So absolute zero, 0 K, (the temperature at which there is no heat) is -273.15 degrees Celsius.
Celsius is the commonly used unit of temperature in Europe and Canada, but in the United States, Fahrenheit is still preferred.
Centigrade is a term commonly used as a synonym of Celsius, especially when giving weather temperature on the air.
