Absolute temperature

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Absolute temperature is the temperature of an object on a scale where 0 is taken as absolute zero. Absolute temperature scales are Kelvin and Rankine. Absolute zero is the lowest temperature at which the system is in a state of lowest possible (minimum) energy.No electronic device can operate at this temperature.

Common temperatures in the absolute scale are:

To convert from the Celsius scale into the absolute temperature, you add 273.15 and change °C to K. To get a temperature on the absolute scale to the Celsius scale, subtract 273.15 and change K to °C. This is normally used in the science world.