The absolute Celsius scale is referred to by which temperature scale?

The absolute Celsius scale is referred to by the Kelvin temperature scale. The Kelvin scale is a thermodynamic temperature scale where absolute zero, the point at which all molecular motion ceases, is set at 0 Kelvin (0 K). This corresponds to -273.15 degrees Celsius. The Kelvin scale is crucial in scientific contexts because it allows for calculations that require an absolute reference point in temperature.

Unlike other temperature scales such as Fahrenheit, Rankine, or Reaumur, which have different zero points and increments, the Kelvin scale directly relates to the Celsius scale, making it essential for understanding thermal energy and temperature in physics and engineering. This direct correlation facilitates conversions between the two, reinforcing the significance of Kelvin as the absolute temperature scale.