metric
units
| Unit |
Abbreviation |
Description |
| Celsius conversion |
ºC |
0ºC and 100ºC are arbitrarily placed at the melting and boiling points of water and standard to the metric system |
| Kelvin conversion |
K |
Based upon the definitions of the Centigrade scale and the experimental evidence that absolute zero is -273.15ºC |
english/
imperial units
| Unit |
Abbreviation |
Description |
| Fahrenheit conversion |
ºF |
Fahrenheit established 0ºF as the stabilized temperature when equal amounts of ice, water, and salt are mixed. He then defined 96ºF as the temperature 'when the thermometer is held in the mouth or under the armpit of a living man in good health'. |
| Rankine conversion |
ºR |
A ºF version of the Kelvin scale. Based upon the definitions of the Fahrenheit scale and the experimental evidence that absolute zero is -459.67ºF |
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