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Joe Celko's Data, Measurements and Standards in SQL by Joe Celko

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Chapter 32. Temperature Scales
There are actually several different temperature scales that have been developed for specialized uses. The two most common in commercial use are Celsius and Fahrenheit, and Fahrenheit survives only because the United States has not switched over to Celsius. This table gives a comparison among eight of the scales, using the 0 and 100 degree points on the Celsius scale.
CelsiusFahrenheitKelvinRankineDelisleNewtonRéaumurRømer
Freeze point032273.15491.671500.00.07.50
Boiling point100212373.15671.67033.08060.00
Most scales increase as the temperature becomes hotter, but this is not always true, as you can see from the table.
Temperature scales do not add or have simple math since they are interval scales (see Chapter 4). You ...

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