Units of Measurement for Temperature

The Celsius is the unit of temperature on the Celsius scale, one of temperature scales used in the International System of Units (SI). Celsius is denoted by the symbol ℃.

The Fahrenheit is the unit of temperature on the Fahrenheit scale. It is one of the temperature scales proposed by the polish physicist Daniel Gabriel Fahrenheit in 1724. Fahrenheit is denoted by the symbol ℉.

The Kelvin scale is an absolute thermodynamic scale, where 0 degree in Kelvin is absolute zero, 273.15 degrees in Kelvin is 0 degree in Celsius. Kelvin is denoted by the symbol K.