Temperature Units: There are three units which are used to measure the temperature: Degree Celsius, Fahrenheit and Kelvin. Degree Celsius: Celsius is written as°C and read as degree. For example 20°C; it is read as twenty degree Celsius. Celsius is called as Centigrade as well. Fahrenheit: Fahrenheit is written as °F for example 25°F; itContinue reading “Unit of temperature.”