Kelvin

From TheBestLinks.com

Kelvin temperature conversion formulas

Conversion from	to	Formula
kelvin	Fahrenheit	°F = K × 1.8 − 459.67
Fahrenheit	kelvin	K = (°F + 459.67) / 1.8
kelvin	Celsius	°C = K − 273.15
Celsius	kelvin	K = °C + 273.15
Additional conversion formulas Conversion calculator for units of temperature (http://www.sengpielaudio.com/calculator-fahrenheit.htm)

The kelvin (symbol: K) is the SI unit of temperature, and is one of the seven SI base units. It is defined by two facts: zero kelvin is absolute zero (when molecular motion stops), and one kelvin is the fraction 1/273.16 of the thermodynamic temperature of the triple point of water (0.01°C). The Celsius temperature scale is now defined in terms of the kelvin.

The kelvin is named after the physicist and engineer William Thomson, who became Lord Kelvin when he was made a peer.

The word kelvin as an SI unit is correctly written with a lowercase k (unless at the beginning of a sentence), and is never preceded by the words degree or degrees, or the symbol °, unlike Fahrenheit, or Celsius. This is because the latter are scales of measurement, whereas the kelvin is a unit of measurement. When the kelvin was introduced in 1954 (10th General Conference on Weights and Measures (CGPM), Resolution 3, CR 79), it was the "degree Kelvin", and written °K; the "degree" was dropped in 1967 (13th CGPM, Resolution 3, CR 104).

Note that the symbol for the kelvin unit is always a capital K and never italicised. Unlike temperature scales which use the degree symbol, there is a space between the number and the K, as with all other SI units.

Conversion factors

In a thermodynamic system, the energy carried by the particles is proportional to the absolute temperature, where the constant of proportionality is the Boltzmann constant. As a result, it is possible to determine the temperature of particles with a certain energy; or to calculate the energy of particles at a certain temperature:

electron volts to kelvin

<math>\mathrm{eV} \times 11,\!605<math>

kelvin to electron volts

<math>\frac{\mathrm{K}}{11,\!605}<math>

Temperature scales

kelvin | Celsius | Fahrenheit

Disused scales

Delisle | Leyden | Newton | Rankine | Réaumur | Rømer

ca:Kelvin cs:Kelvin da:Kelvin de:Kelvin (Einheit) eo:Kelvino et:Kelvin es:Kelvin fr:Kelvin it:Kelvin ja:ケルビン nl:Kelvin no:Kelvin pl:Kelwin pt:Kelvin sl:Kelvin fi:Kelvin ru:Кельвин sv:Kelvin zh:热力学温标

Related links

---

Top visited 0 of 0 links

[no links posted yet]

>> place link >>

Discussion

Last posted 0 of 0 messages

[no messages posted yet]

>> post message >>

Watch

You can add this article to your own "watchlist" and receive e-mail notification about all changes in this page.