Template:Comparison of temperature scales

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Comparison of temperature scales

Comparison of temperature scales
Comment Kelvin
K
Celsius
°C
Fahrenheit
°F
Rankine
°Ra (°R)
Delisle
°D ¹
Newton
°N 
Réaumur
°R (°Ré, °Re) ¹
Rømer
°Rø (°R) ¹
Absolute zero 0 −273.15 −459.67 0 559.725 −90.14 −218.52 −135.90
Lowest recorded natural temperature on Earth
(Vostok, Antarctica - 21 July 1983)
184 −89 −128 331 284 −29 −71 −39
Celsius / Fahrenheit's "cross-over" temperature 233.15 −40 –40 419.67 210 –13.2 –32 –13.5
Fahrenheit's ice/salt mixture 255.37 −17.78 0 459.67 176.67 −5.87 −14.22 −1.83
Water freezes (at standard pressure) 273.15 0 32 491.67 150 0 0 7.5
Average surface temperature on Earth 287 14 57 517 129 4.6 12 15.4
Average human body temperature ² 310.0 ±0.7 36.8 ±0.7 98.2 ±1.3 557.9 ±1.3 94.8 ±1.1 12.1 ±0.2 29.4 ±0.6 26.8 ±0.4
Highest recorded surface temperature on Earth
(Furnace Creek, USA - 10 July 1913)
329.8 56.7 134 593.7 65.0 18.7 45.3 37.3
Water boils (at standard pressure) 373.15 100 212 672 0 33 80 60
Gas flame ~1773 ~1500 ~2732
Titanium melts 1941 1668 3034 3494 −2352 550 1334 883
The surface of the Sun 5800 5526 9980 10440 −8140 1823 4421 2909

1 This temperature scale is in disuse, and of mere historical interest.
2 Normal human body temperature is 36.8 ±0.7 °C, or 98.2 ±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. See Temperature of a Healthy Human (Body Temperature) for more information.
Some numbers in this table have been rounded off.

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