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. | 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. |