Template:Comparison of temperature scales

Comparison of temperature scales

Main article: Conversion of scales of temperature

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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