The conversion from Kelvin to Degree Celsius is a fundamental process in various scientific and engineering applications. Kelvin (K) and Degree Celsius (°C) are two temperature scales used to measure the thermal energy of a system. The Kelvin scale is an absolute temperature scale, where 0 K represents absolute zero, the theoretical temperature at which all matter would have zero entropy. In contrast, the Celsius scale is a relative temperature scale, where 0 °C is the freezing point of water and 100 °C is the boiling point. To convert Kelvin to Degree Celsius, the formula is °C = K - 273.15. This conversion is crucial in various fields, including physics, chemistry, and engineering, where accurate temperature measurements are essential for understanding and predicting the behavior of materials and systems.