Which temperature scale is equivalent to Celsius in its value for water freezing and boiling points?

The Centigrade scale, which is another name for the Celsius scale, has the same values for the freezing and boiling points of water. Specifically, both scales define the freezing point at 0 degrees and the boiling point at 100 degrees. This direct correspondence makes Centigrade synonymous with Celsius in practical use. The clarity provided by this equivalence is essential for scientific measurements and applications involving temperature, particularly in contexts like health and environmental sciences where precise temperature readings are crucial for accurate measurements and processes.

Other temperature scales, like Fahrenheit and Kelvin, do not have this equivalence. For instance, on the Fahrenheit scale, water freezes at 32 degrees and boils at 212 degrees. The Kelvin scale, on the other hand, sets the freezing point at approximately 273.15 K and the boiling point at approximately 373.15 K. The Reaumur scale also differs, with the freezing point at 0 degrees and the boiling point at 80 degrees Reaumur. Hence, only the Centigrade scale maintains the same numeric values as Celsius for these critical reference points.