What is absolute scale of Temperature? SMK EDU March 29, 2021 Absolute scale of TemperatureA temperature scale, zero of which is equivalent to -273.15°C and 373.15°C is equivalent to 100°C, is called absolute scale of temperature and -273.15°C is called absolute zero. S.I Unit of this scale is Kelvin [K] Plusone THERMAL PROPERTIES OF MATTER