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Comparison of temperature scales



Comparison of temperature scales
Comment Kelvin Celsius Fahrenheit Rankine Delisle Newton Réaumur Rømer
Absolute zero 0 −273.15 −459.67 0 559.725 −90.14 −218.52 −135.90375
Lowest recorded surface temperature on Earth
(Vostok, Antarctica - July 21, 1983)
184 −89 −128.2 331.47 283.5 −29.37 −71.2 −39.225
Fahrenheit's ice/salt mixture 255.37 −17.78 0 459.67 176.67 −5.87 −14.22 −1.83
Ice melts (at standard pressure) 273.15 0 32 491.67 150 0 0 7.5
Average surface temperature on Earth 288 15 59 518.67 127.5 4.95 12 15.375
Average human body temperature ¹ 309.95 36.8 98.24 557.91 94.8 12.144 29.44 26.82
Highest recorded surface temperature on Earth
(Al 'Aziziyah, Libya - September 13, 1922)
331 58 136.4 596.07 63 19.14 46.4 37.95
Water boils (at standard pressure) 373.1339 99.9839 211.97102 671.64102 0 33 80 60
Titanium melts 1941 1668 3034 3494 −2352 550 1334 883
The surface of the Sun 5800 5526 9980 10440 −8140 1823 4421 2909

¹ Normal human body temperature is 36.8 °C ±0.7 °C, or 98.2 °F ±1.3 °F. The commonly given value 98.6 °F is simply the exact conversion of the nineteenth-century German standard of 37 °C. Since it does not list an acceptable range, it could therefore be said to have excess (invalid) precision. Here's a list of various measurements.
Some numbers in this table have been rounded off.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Comparison_of_temperature_scales". A list of authors is available in Wikipedia.
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