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used by scientists to measure temperature
'''Celsius''' is a [[temperature]] scale in the [[metric system]]. 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''' 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 degree [[Kelvin]], with an offset such that T(°C) = T(K) - 273.15. So Kelvin's [[absolute zero]] (the temperature at which there is no heat) is -273.15 degrees Celsius.
One Celsius degree is equal to one degree [[Kelvin]], with an offset such that T(°C) = T(K) - 273.15. So Kelvin's [[absolute zero]] (the temperature at which there is no heat) is -273.15 degrees Celsius.
[[Category:Units of Temperature]]
[[Category:Units of Temperature]]
[[Category:Metric System]]