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溫度換算

開氏溫標

	從開氏溫標換算至其他溫度單位	從其他溫度單位換算至開氏溫標
攝氏溫標	[°C] = [K] − 273.15	[K] = [°C] + 273.15
華氏溫標	[°F] = [K] × 9⁄5 − 459.67	[K] = ([°F] + 459.67) × 5⁄9
Rankine	[R] = [K] × 9⁄5	[K] = [R] × 5⁄9
Delisle	[°De] = (373.15 − [K]) × 3⁄2	[K] = 373.15 − [°De] × 2⁄3
Newton	[°N] = ([K] − 273.15) × 33⁄100	[K] = [°N] × 100⁄33 + 273.15
列氏溫標	[°Ré] = ([K] − 273.15) × 4⁄5	[K] = [°Ré] × 5⁄4 + 273.15
Rømer	[°Rø] = ([K] − 273.15) × 21⁄40 + 7.5	[K] = ([°Rø] − 7.5) × 40⁄21 + 273.15

攝氏溫標

	從攝氏溫標換算至其他溫度單位	從其他溫度單位換算至攝氏溫標
華氏溫標	[°F] = [°C] × 9⁄5 + 32	[°C] = ([°F] − 32) × 5⁄9
開氏溫標	[K] = [°C] + 273.15	[°C] = [K] − 273.15
Rankine	[R] = ([°C] + 273.15) × 9⁄5	[°C] = ([R] − 491.67) × 5⁄9
Delisle	[°De] = (100 − [°C]) × 3⁄2	[°C] = 100 − [°De] × 2⁄3
Newton	[°N] = [°C] × 33⁄100	[°C] = [°N] × 100⁄33
列氏溫標	[°Ré] = [°C] × 4⁄5	[°C] = [°Ré] × 5⁄4
Rømer	[°Rø] = [°C] × 21⁄40 + 7.5	[°C] = ([°Rø] − 7.5) × 40⁄21

華氏溫標

	從華氏溫標換算至其他溫度單位	從其他溫度單位換算至華氏溫標
攝氏溫標	[°C] = ([°F] − 32) × 5⁄9	[°F] = [°C] × 9⁄5 + 32
開氏溫標	[K] = ([°F] + 459.67) × 5⁄9	[°F] = [K] × 9⁄5 − 459.67
Rankine	[R] = [°F] + 459.67	[°F] = [R] − 459.67
Delisle	[°De] = (212 − [°F]) × 5⁄6	[°F] = 212 − [°De] × 6⁄5
Newton	[°N] = ([°F] − 32) × 11⁄60	[°F] = [°N] × 60⁄11 + 32
列氏溫標	[°Ré] = ([°F] − 32) × 4⁄9	[°F] = [°Ré] × 9⁄4 + 32
Rømer	[°Rø] = ([°F] − 32) × 7⁄24 + 7.5	[°F] = ([°Rø] − 7.5) × 24⁄7 + 32

列氏溫標

	從列氏溫標換算至其他溫度單位	從其他溫度單位換算至列氏溫標
攝氏溫標	[°C] = [°Ré] × 5⁄4	[°Ré] = [°C] × 4⁄5
華氏溫標	[°F] = [°Ré] × 9⁄4 + 32	[°Ré] = ([°F] − 32) × 4⁄9
開氏溫標	[K] = [°Ré] × 5⁄4 + 273.15	[°Ré] = ([K] − 273.15) × 4⁄5
Rankine	[°R] = [°Ré] × 9⁄4 + 491.67	[°Ré] = ([°R] − 491.67) × 4⁄9
Delisle	[°De] = (80 − [°Ré]) × 15⁄8	[°Ré] = 80 − [°De] × 8⁄15
Newton	[°N] = [°Ré] × 33⁄80	[°Ré] = [°N] × 80⁄33
Rømer	[°Rø] = [°Ré] × 21⁄32 + 7.5	[°Ré] = ([°Rø] − 7.5) × 32⁄21

Comparison

Celsius	Fahrenheit	Kelvin	Rankine	Delisle	Newton	Réaumur	Rømer
300	572	573.15	1031.67	-300	99.0	240	165.00
290	554	563.15	1013.67	-285	95.7	232	159.75
280	536	553.15	995.67	-270	92.4	224	154.50
270	518	543.15	977.67	-255	89.1	216	149.25
260	500	533.15	959.67	-240	85.8	208	144.00
250	482	523.15	941.67	-225	82.5	200	138.75
240	464	513.15	923.67	-210	79.2	192	133.50
230	446	503.15	905.67	-195	75.9	184	128.25
220	428	493.15	887.67	-180	72.6	176	123.00
210	410	483.15	869.67	-165	69.3	168	117.75
200	392	473.15	851.67	-150	66.0	160	112.50
190	374	463.15	833.67	-135	62.7	152	107.25
180	356	453.15	815.67	-120	59.4	144	102.00
170	338	443.15	797.67	-105	56.1	136	96.75
160	320	433.15	779.67	-90	52.8	128	91.50
150	302	423.15	761.67	-75	49.5	120	86.25
140	284	413.15	743.67	-60	46.2	112	81.00
130	266	403.15	725.67	-45	42.9	104	75.75
120	248	393.15	707.67	-30	39.6	96	70.50
110	230	383.15	689.67	-15	36.3	88	65.25
100	212	373.15	671.67	0	33.0	80	60.00
90	194	363.15	653.67	15	29.7	72	54.75
80	176	353.15	635.67	30	26.4	64	49.50
70	158	343.15	617.67	45	23.1	56	44.25
60	140	333.15	599.67	60	19.8	48	39.00
50	122	323.15	581.67	75	16.5	40	33.75
40	104	313.15	563.67	90	13.2	32	28.50
30	86	303.15	545.67	105	9.9	24	23.25
20	68	293.15	527.67	120	6.6	16	18.00
10	50	283.15	509.67	135	3.3	8	12.75
0	32	273.15	491.67	150	0.0	0	7.50
-10	14	263.15	473.67	165	-3.3	-8	2.25
-20	-4	253.15	455.67	180	-6.6	-16	-3.00
-30	-22	243.15	437.67	195	-9.9	-24	-8.25
-40	-40	233.15	419.67	210	-13.2	-32	-13.50
-50	-58	223.15	401.67	225	-16.5	-40	-18.75
-60	-76	213.15	383.67	240	-19.8	-48	-24.00
-70	-94	203.15	365.67	255	-23.1	-56	-29.25
-80	-112	193.15	347.67	270	-26.4	-64	-34.50
-90	-130	183.15	329.67	285	-29.7	-72	-39.75
-100	-148	173.15	311.67	300	-33.0	-80	-45.00
-110	-166	163.15	293.67	315	-36.3	-88	-50.25
-120	-184	153.15	275.67	330	-39.6	-96	-55.50
-130	-202	143.15	257.67	345	-42.9	-104	-60.75
-140	-220	133.15	239.67	360	-46.2	-112	-66.00
-150	-238	123.15	221.67	375	-49.5	-120	-71.25
-160	-256	113.15	203.67	390	-52.8	-128	-76.50
-170	-274	103.15	185.67	405	-56.1	-136	-81.75
-180	-292	93.15	167.67	420	-59.4	-144	-87.00
-190	-310	83.15	149.67	435	-62.7	-152	-92.25
-200	-328	73.15	131.67	450	-66.0	-160	-97.50
-210	-346	63.15	113.67	465	-69.3	-168	-102.75
-220	-364	53.15	95.67	480	-72.6	-176	-108.00
-230	-382	43.15	77.67	495	-75.9	-184	-113.25
-240	-400	33.15	59.67	510	-79.2	-192	-118.50
-250	-418	23.15	41.67	525	-82.5	-200	-123.75
-260	-436	13.15	23.67	540	-85.8	-208	-129.00
-273.15	-459.67	0	0	559.725	-90.1395	-218.52	-135.90375

Comparison of temperature scales

Comparison of temperature scales

Comment	Kelvin	Celsius	Fahrenheit	Rankine	Delisle	Newton	Réaumur	Rømer
Absolute zero	0.00	-273.15	-459.67	0.00	559.725	-90.1395	-218.52	-135.90375
Lowest recorded surface temperature on Earth (Vostok, Antarctica - July 21, 1983)	184.15	-89.00	-128.20	331.47	283.50	-29.37	-71.20	-39.225
Fahrenheit's ice/salt mixture	255.37	-17.78	0.00	459.67	176.67	-5.8674	-14.22	-1.83
Ice melts (at standard pressure)	273.15	0.00	32.00	491.67	150.00	0.00	0.00	7.50
Average surface temperature on Earth	288.15	15.00	59.00	518.67	127.50	4.95	12.00	15.375
Average human body temperature ¹	309.95	36.80	98.24	557.91	94.80	12.144	29.44	26.82
Highest recorded surface temperature on Earth (Al 'Aziziyah, Libya - September 13, 1922)	331.15	58.00	136.40	596.07	63.00	19.14	46.40	37.95
Water boils (at standard pressure)	373.15	100.00	211.97102	671.64102	0.00	33.00	80.00	60.00
Titanium melts	1941.15	1668.00	3034.00	3494.00	-2352.00	550.44	1334.00	883.00
The surface of the Sun	5799.15	5526.00	9980.00	10440.00	-8140.00	1823.58	4421.00	2909.00

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.

See also

• Conversion of units

External links

There are many on-line temperature conversion sites that can easily be found with a search engine. Wikipedia does not endorse a particular one.