Hitaumrokning

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Samanburður	absolutt null	vatn frystir	kropshiti	vatn kókar
Kelvin	0 K	273,15 K	310,15 K	373,15 K
Celsius	−273.15 °C	0 °C	37 °C	100 °C
Fahrenheit	−459.67 °F	32 °F	98,6 °F	212 °F
Rankine	0 °Ra	491,67 °Ra	558,27 °Ra	671,67 °Ra
Delisle	559,73 °De	150 °De	94,5 °De	0 °De
Newton	−90,14 °N	0 °N	12,21 °N	33 °N
Réaumur	−218,52 °Ré	0 °Ré	29,6 °Ré	80 °Ré
Rømer	−135,9 °Rø	7,5 °Rø	26,93 °Rø	60 °Rø

[rætta] Kelvin

Celsius	[°C] = [K] − 273,15	[K] = [°C] + 273,15
Fahrenheit	[°F] = [K] · 9/5 − 459,67	[K] = ([°F] + 459.67) · 5/9
Rankine	[°Ra] = [K] · 9/5	[K] = [°Ra] · 5/9
Réaumur	[°Ré] = ([K] − 273,15) · 4/5	[K] = [°Ré] · 5/4 + 273,15
Newton	[°N] = ([K] − 273,15) · 33/100	[K] = [°N] · 100/33 + 273,15
Rømer	[°Rø] = ([K] − 273,15) · 21/40 + 7,5	[K] = ([°Rø] − 7,5) · 40/21 + 273,15
Delisle	[°De] = (373.15 − [K]) · 3/2	[K] = 373.15 − [°De] · 2/3

Støddfrøðiliga uppstillað umrokning:

$K = {}^\circ\!C - 273.15 = \frac{5({}^\circ\!F+459.67)}{9} = \frac{5^\circ\!Ra}{9} = \frac{5^\circ\!R\acute{e}}{4} + 273.15$

$K = \frac{100^\circ\!N}{33} + 273.15 = \frac{40({}^\circ\!R\ddot o - 7.5)}{21} + 273.15 = 373.15 - \frac{2^\circ\!De}{3}$

[rætta] Celsius

Kelvin	[K] = [°C] + 273,15	[°C] = [K] − 273,15
Fahrenheit	[°F] = [°C] · 9/5 + 32	[°C] = ([°F] − 32) · 5/9
Rankine	[°Ra] = [°C] · 9/5 + 491,67	[°C] = ([°Ra] − 491,67) · 5/9
Réaumur	[°Ré] = [°C] · 4/5	[°C] = [°Ré] · 5/4
Newton	[°N] = [°C] · 33/100	[°C] = [°N] · 100/33
Rømer	[°Rø] = [°C] · 21/40 + 7,5	[°C] = ([°Rø] − 7,5) · 40/21
Delisle	[°De] = (100 − [°C]) · 3/2	[°C] = 100 − [°De] · 2/3

Støddfrøðiliga uppstillað umrokning:

${}^\circ\!C = K - 273.15 = \frac{5({}^\circ\!F-32)}{9} = \frac{5(Ra-491.67)}{9}$

${}^\circ\!C = \frac{5^\circ\!R\acute{e}}{4} = \frac{100^\circ\!N}{33} = \frac{40({}^\circ\!R\ddot o - 7.5)}{21} = \frac{2^\circ\!De}{3} - 100$

[rætta] Fahrenheit

Kelvin	[K] = ([°F] + 459,67) · 5/9	[°F] = [K] · 9/5 − 459,67
Celsius	[°C] = ([°F] − 32) · 5/9	[°F] = [°C] · 9/5 + 32
Rankine	[°Ra] = [°F] + 459,67	[°F] = [°Ra] − 459,67
Réaumur	[°Ré] = ([°F] − 32) · 4/9	[°F] = [°Ré] · 9/4 + 32
Newton	[°N] = ([°F] − 32) · 11/60	[°F] = [°N] · 60/11 + 32
Rømer	[°Rø] = ([°F] − 32) · 7/24 + 7,5	[°F] = ([°Rø] − 7,5) · 24/7 + 32
Delisle	[°De] = (212 − [°F]) · 5/6	[°F] = 212 − [°De] · 6/5

Støddfrøðiliga uppstillað umrokning:

${}^\circ\!F = \frac{9K}{5} - 459.67 = \frac{9{}^\circ\!C}{5}+32 = {}^\circ\!Ra - 459.67 = \frac{45^\circ\!R\acute{e}/4-273.15}{5}$

${}^\circ\!F = \frac{60^\circ\!N}{11}+32 = \frac{24({}^\circ\!R\ddot o-7.5)}{7} + 32 = 212 - \frac{6De}{5}$

[rætta] Rankine

Kelvin	[K] = [°R] · 5/9	[°R] = [K] · 9/5
Celsius	[°C] = [°R] · 5/9 − 273,15	[°R] = ([°C] + 273,15) · 9/5
Fahrenheit	[°F] = [°R] − 459,67	[°R] = [°F] + 459,67
Réaumur	[°Ré] = ([°R] · 5/9 + 273,15) · 4/5	[°R] = ([°Ré] · 5/4 − 273,15) · 9/5
Newton	[°N] = ([°R] − 491,67) · 11/60	[°R] = [°N] · 60/11 + 491,67
Rømer	[°Rø] = ([°R] − 491,67) · 7/24 + 7,5	[°R] = ([°Rø] − 7,5) · 24/7 + 491,67
Delisle	[°De] = (671,67 − [°R]) · 5/6	[°R] = 671,67 − [°De] · 6/5

Støddfrøðiliga uppstillað umrokning:

${}^\circ\!R = \frac{9K}{5} = \frac{9({}^\circ\!C + 273.15)}{5} = {}^\circ\!F + 459.67 = \frac{9(5^\circ\!R\acute{e} / 5 - 273.15)}{5}$

${}^\circ\!R = \frac{60^\circ\!N}{11} + 491.67 = \frac{24({}^\circ\!R\ddot o - 7.5)}{7} + 491.67 = 671.67 - \frac{6^\circ\!De}{5}$

[rætta] Delisle

Kelvin	[K] = 373,15 − [°De] · 2/3	[°De] = (373,15 − [K]) · 3/2
Celsius	[°C] = 100 − [°De] · 2/3	[°De] = (100 − [°C]) · 3/2
Fahrenheit	[°F] = 212 − [°De] · 6/5	[°De] = (212 − [°F]) · 5/6
Rankine	[°Ra] = 671,67 − [°De] · 6/5	[°De] = (671,67 − [°Ra]) · 5/6
Réaumur	[°Ré] = 80 − [°De] · 8/15	[°De] = (80 − [°Ré]) · 15/8
Newton	[°N] = 33 − [°De] · 11/50	[°De] = (33 − [°N]) · 50/11
Rømer	[°Rø] = 60 − [°De] · 7/20	[°De] = (60 − [°Rø]) · 20/7

Støddfrøðiliga uppstillað umrokning:

${}^\circ\!De = \frac{3(373.15 - K)}{2} = \frac{3(100 - {}^\circ\!C)}{2} = \frac{5(212 - {}^\circ\!F)}{6}$

${}^\circ\!De = \frac{5(671.67 - {}^\circ\!Ra)}{6} = \frac{15(80 - ^\circ\!R\acute{e})}{8} = \frac{50(33 - {}^\circ\!N)}{11} = \frac{20(60 - {}^\circ\!R\ddot o\!)}{7}$

[rætta] Newton

Kelvin	[K] = [°N] · 100/33 + 273,15	[°N] = ([K] − 273,15) · 33/100
Celsius	[°C] = [°N] · 100/33	[°N] = [°C] · 33/100
Fahrenheit	[°F] = [°N] · 60/11 + 32	[°N] = ([°F] − 32) · 11/60
Rankine	[°Ra] = [°N] · 60/11 + 491,67	[°N] = ([°Ra] − 491,67) · 11/60
Réaumur	[°Ré] = [°N] · 80/33	[°N] = [°Ré] · 33/80
Rømer	[°Rø] = [°N] · 35/22 + 7,5	[°N] = ([°Rø] − 7,5) · 22/35
Delisle	[°De] = (33 − [°N]) · 50/11	[°N] = 33 − [°De] · 11/50

Støddfrøðiliga uppstillað umrokning:

${}^\circ\!N = \frac{33(K - 273.15)}{100} = \frac{33^\circ\!C}{100} = \frac{11({}^\circ\!F - 32)}{60}$

${}^\circ\!N = \frac{11({}^\circ\!Ra - 491.67)}{60} = \frac{33^\circ\!R\acute{e}}{80} = \frac{22(R\ddot o - 7.5)}{35} = 33 - \frac{11 {}^\circ\!De}{50}$

[rætta] Réaumur

Kelvin	[K] = [°Ré] · 5/4 + 273,15	[°Ré] = ([K] − 273,15) · 4/5
Celsius	[°C] = [°Ré] · 5/4	[°Ré] = [°C] · 4/5
Fahrenheit	[°F] = [°Ré] · 9/4 + 32	[°Ré] = ([°F] − 32) · 4/9
Rankine	[°Ra] = [°Ré] · 9/4 + 491,67	[°Ré] = ([°Ra] − 491,67) · 4/9
Newton	[°N] = [°Ré] · 33/80	[°Ré] = [°N] · 80/33
Rømer	[°Rø] = [°Ré] · 21/32 + 7,5	[°Ré] = ([°Rø] − 7,5) · 32/21
Delisle	[°De] = (80 − [°Ré]) · 15/8	[°Ré] = 80 − [°De] · 8/15

Støddfrøðiliga uppstillað umrokning:

${}^\circ\!R\acute{e} = \frac{4(K - 273.15)}{5} = \frac{4{}^\circ\!C}{5} = \frac{4({}^\circ\!F - 32)}{9}$

${}^\circ\!R\acute{e} = \frac{4({}^\circ\!Ra - 491.67)}{9} = \frac{80^\circ\!N}{33} = \frac{32({}^\circ\!R\ddot o - 7.5)}{21} = 80 - \frac{8^\circ\!De}{15}$

[rætta] Rømer

Kelvin	[K] = ([°Rø] − 7,5) · 40/21 + 273,15	[°Rø] = ([K] − 273,15) · 21/40 + 7,5
Celsius	[°C] = ([°Rø] − 7,5) · 40/21	[°Rø] = [°C] · 21/40 + 7,5
Fahrenheit	[°F] = ([°Rø] − 7,5) · 24/7 + 32	[°Rø] = ([°F] − 32) · 7/24 + 7,5
Rankine	[°Ra] = ([°Rø] − 7,5) · 24/7 + 491,67	[°Rø] = ([°Ra] − 491,67) · 7/24 + 7,5
Réaumur	[°Ré] = ([°Rø] − 7,5) · 32/21	[°Rø] = [°Ré] · 21/32 + 7,5
Newton	[°N] = ([°Rø] − 7,5) · 22/35	[°Rø] = [°N] · 35/22 + 7,5
Delisle	[°De] = (60 − [°Rø]) · 20/7	[°Rø] = 60 − [°De] · 7/20

Støddfrøðiliga uppstillað umrokning:

${}^\circ\!R\ddot o = \frac{21(K - 273.15)}{40} + 7.5 = \frac{21^\circ\!C}{40} + 7.5 = \frac{7({}^\circ\!F - 32)}{24} + 7.5$

${}^\circ\!R\ddot o = \frac{7({}^\circ\!Ra - 491.67)}{24} + 7.5 = \frac{21^\circ\! R\acute{e}}{32} + 7.5 = \frac{35^\circ\!N}{22} + 7.5 = 60 - \frac{7^\circ\!De}{20}$