Celsius is a [[Temperature|temperature]] scale. The scale is defined such that [[water]] freezes at 0 ºC and boils at 100 ºC.
+
'''Celsius''' is a [[Temperature|temperature]] scale in the [[metric system]]. The scale is defined such that [[water]] freezes at 0 ºC and boils at 100 ºC. To convert from [[fahrenheit]] to celcius take the fahrenheit temperature, subtract 32 then multiply by 5 and divide by 9.