Precursors
During the 18th century, multiple temperature scales were developed, notably Fahrenheit and centigrade (later Celsius). These … See more

According to SI convention, the kelvin is never referred to nor written as a degree. The word "kelvin" is not capitalized when used as a unit. It may be in plural form as appropriate (for example, "it is 283 kelvins outside", as for "it is 50 degrees Fahrenheit" and "10 … See more

• Bureau International des Poids et Mesures (2019). "The International System of Units (SI) Brochure" (PDF). 9th Edition. International … See more

• Thomson, William (October 1848). "On an Absolute Thermometric Scale founded on Carnot's Theory of the Motive Power of Heat, and calculated from Regnault's Observations". zapatopi.net. Philosophical Magazine. Archived from the original on 2008-02-01. … See more

Colour temperature
The kelvin is often used as a measure of the colour temperature of light sources. Colour temperature is based upon the principle that a black body radiator emits light with a frequency distribution characteristic of its … See more

• Energy portal
• Comparison of temperature scales
• International Temperature Scale of 1990
• kT (energy) – product of the Boltzmann constant and temperature See more