calculand - Radiant power
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σ·A·T⁴
2·π⁵·k(B)⁴·A·T⁴/(15·h³·c²)
<
>
Eddington limit
Electric power
Fourier's law
Hawking radiation
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Thermal power
Translational power
Radiant power -
P
ray
= 2 · π⁵ · k
B
⁴ · A · T⁴ / (15 · h³ · c²)
aJ/K - Attojoule per kelvin
k(B) - Boltzmann constant
cal/K - Calorie per kelvin
cJ/K - Centijoule per kelvin
Cl - Clausius
daJ/K - Decajoule per kelvin
dJ/K - Decijoule per kelvin
dynm/K - Dyne metre per kelvin
eV/K - Electronvolt per kelvin
erg/K - Erg per kelvin
EeV/K - Exaelectronvolt per kelvin
EJ/K - Exajoule per kelvin
fJ/K - Femtojoule per kelvin
GeV/K - Gigaelectronvolt per kelvin
GJ/K - Gigajoule per kelvin
hJ/K - Hectojoule per kelvin
J/°C - Joule per degree Celsius
J/°De - Joule per degree Delisle
J/°F - Joule per degree Fahrenheit
J/°N - Joule per degree Newton
J/°Ra - Joule per degree Rankine
J/°Ré - Joule per degree Réaumur
J/°Rø - Joule per degree Rømer
J/°We - Joule per degree Wedgwood
J/K - Joule per kelvin
J/T(P) - Joule per planck temperature
kcal/K - Kilocalorie per kelvin
keV/K - Kiloelectronvolt per kelvin
kg m²/K s² - Kilogram square metre per kelvin second squared
kJ/K - Kilojoule per kelvin
kpm/K - Kilopond metre per kelvin
kWh/°C - Kilowatt hour per degree Celsius
kWh/°F - Kilowatt hour per degree Fahrenheit
kWh/K - Kilowatt hour per kelvin
mayer - Mayer
MeV/K - Megaelectronvolt per kelvin
MJ/K - Megajoule per kelvin
mkp/K - Metre kilopond per kelvin
µJ/K - Microjoule per kelvin
mJ/K - Millijoule per kelvin
nJ/K - Nanojoule per kelvin
Nm/K - Newton metre per kelvin
PeV/K - Petaelectronvolt per kelvin
PJ/K - Petajoule per kelvin
pJ/K - Picojoule per kelvin
E(P)/K - Planck energy per kelvin
E(P)/T(P) - Planck energy per planck temperature
pm/K - Pond metre per kelvin
lb in²/K s² - Pound square inch per kelvin second squared
lb in²/K s² - Pound square inch per kelvin second squared
TeV/K - Teraelectronvolt per kelvin
TJ/K - Terajoule per kelvin
Wh/K - Watt hour per kelvin
Wmin/K - Watt minute per kelvin
Ws/K - Watt second per kelvin
yJ/K - Yoctojoule per kelvin
YeV/K - Yottaelectronvolt per kelvin
YJ/K - Yottajoule per kelvin
zJ/K - Zeptojoule per kelvin
ZeV/K - Zettaelectronvolt per kelvin
ZJ/K - Zettajoule per kelvin
ac - Acre
a - Are
b - Barn
barony - Barony
cho - Chō (町)
circ. in. - Circular inch
circ. mil. - Circular mil (Circular thou)
Dez. - Dezimal (bavarian)
fb - Femtobarn
fen - Fen (市分)
go - Gō (合)
ha - Hectare
jo - Jō (畳)
kb - Kilobarn
li - Li (市厘)
µb - Microbarn
mb - Millibarn
Mg - Morgen (metric)
mu - Mu (市亩 / 畝)
nb - Nanobarn
outhouse - Outhouse
pb - Picobarn
A(P), l²(P) - Planck area
qing - Qing (市顷)
vha - Quarter hectare (Viertelhektar)
se - Se (畝)
shaku - Shaku (勺)
shed - Shed
shi - Shí (市石)
am² - Square attometre
cm² - Square centimetre
dam² - Square decametre
dm² - Square decimetre
Em² - Square exametre
fm² - Square femtometre
ft², sq. ft. - Square foot
Gm² - Square gigametre
Gpc² - Square gigaparsec
hm² - Square hectometre
in², sq. in. - Square inch
km² - Square kilometre
kpc² - Square kiloparsec
Ld² - Square lightday
Lh² - Square lighthour
Lm² - Square lightminute
Ls² - Square lightsecond
ly² - Square lightyear
Mm² - Square megametre
Mpc² - Square megaparsec
m² - Square metre
µm² - Square micrometre
mi², sq. mi. - Square mile
mil², thou² - Square milli-inch (Square mil, Square thou)
mm² - Square millimetre
mam² - Square myriametre
nm² - Square nanometre
pc² - Square parsec
Pm² - Square petametre
pm² - Square picometre
Tm² - Square terametre
Tpc² - Square teraparsec
yd², sq. yd. - Square yard
ym² - Square yoctometre
Ym² - Square yottametre
zm² - Square zeptometre
Zm² - Square zettametre
Ų - Square ångstrøm
tan - Tan (段 / 反)
σₜ - Thomson cross section
tsubo - Tsubo (坪 / 歩)
TIE - Two inch equivalent
aK - Attokelvin
cK - Centikelvin
daK - Decakelvin
dK - Decikelvin
°C - Degree Celsius
°De - Degree Delisle
°F - Degree Fahrenheit
°N - Degree Newton
°Ra - Degree Rankine
°Ré - Degree Réaumur
°Rø - Degree Rømer
°We - Degree Wedgwood
eV - Electronvolt (Energy)
EK - Exakelvin
fK - Femtokelvin
GK - Gigakelvin
hK - Hectokelvin
J - Joule (Energy)
K - Kelvin
kK - Kilokelvin
MK - Megakelvin
µK - Microkelvin
mK - Millikelvin
nK - Nanokelvin
PK - Petakelvin
pK - Picokelvin
T(P) - Planck temperature
T(S) - Schrödinger temperature
T(St) - Stoney temperature
T ☉ - Sun (effective)
TK - Terakelvin
yK - Yoctokelvin
YK - Yottakelvin
zK - Zeptokelvin
ZK - Zettakelvin
aJs - Attojoule second
cals - Calorie second
cJs - Centijoule second
daJs - Decajoule second
dJs - Decijoule second
ħ, h/2π - Dirac constant
dynms - Dynemetre second
eVs - Electronvolt second
ergs - Erg second
EeVs - Exaelectronvolt second
EJs - Exajoule second
fJs - Femtojoule second
GeVs - Gigaelectronvolt second
GJs - Gigajoule second
hJs - Hectojoule second
Jh - Joule hour
Jmin - Joule minute
Js - Joule second
kcals - Kilocalorie second
keVs - Kiloelectronvolt second
kg m²/s - Kilogram square metre per second
kJs - Kilojoule second
kpms - Kilopond metre second
MeVs - Megaelectronvolt second
MJs - Megajoule second
mkps - Metre kilopond second
µJs - Microjoule second
mJs - Millijoule second
nJs - Nanojoule second
Nms - Newton metre second
PeVs - Petaelectronvolt second
PJs - Petajoule second
pJs - Picojoule second
h - Planck constant
planck - Planck
pms - Pond metre second
TeVs - Teraelectronvolt second
TJs - Terajoule second
VAs² - Volt ampere second squared
Ws² - Watt second squared
yJs - Yoctojoule second
YeVs - Yottaelectronvolt second
YJs - Yottajoule second
zJs - Zeptojoule second
ZeVs - Zettaelectronvolt second
ZJs - Zettajoule second
AU/d, UA/d - Astronomical unit per day
AU/y, UA/a - Astronomical unit per year
am/s - Attometre per second
B - Bubnoff unit
cm/d - Centimetre per day
cm/h - Centimetre per hour
cm/min - Centimetre per minute
cm/s - Centimetre per second
cm/y, cm/a - Centimetre per year
dam/min - Decametre per minute
dam/s - Decametre per second
dm/d - Decimetre per day
dm/h - Decimetre per hour
dm/min - Decimetre per minute
dm/s - Decimetre per second
dm/y, dm/a - Decimetre per year
Em/s - Exametre per second
fm/s - Femtometre per second
ft/d - Foot per day
ft/h - Foot per hour
ft/min - Foot per minute
ft/s - Foot per second
ft/y, ft/a - Foot per year
Gm/s - Gigametre per second
hm/min - Hectometre per minute
hm/s - Hectometre per second
in/d - Inch per day
in/h - Inch per hour
in/min - Inch per minute
in/s - Inch per second
in/y, in/a - Inch per year
km/d - Kilometre per day
km/h, kph - Kilometre per hour
km/min - Kilometre per minute
km/s - Kilometre per second
km/y, km/a - Kilometre per year
kine - Kine
kn - Knot
Ma (-50 °C) - Mach (-50 °C)
Ma (0 °C) - Mach (0 °C)
Ma (100 °C) - Mach (100 °C)
Ma (20 °C) - Mach (20 °C)
Ma (25 °C) - Mach (25 °C)
Ma (250 °C) - Mach (250 °C)
Mm/s - Megametre per second
m/d - Metre per day
m/h - Metre per hour
m/min - Metre per minute
m/s - Metre per second
m/y, m/a - Metre per year
µm/d - Micrometre per day
µm/h - Micrometre per hour
µm/min - Micrometre per minute
µm/s - Micrometre per second
mi/d - Mile per day
mph, mi/h - Mile per hour
mi/min - Mile per minute
mi/s - Mile per second
mi/y, mi/a - Mile per year
mm/d - Millimetre per day
mm/h - Millimetre per hour
mm/min - Millimetre per minute
mm/s - Millimetre per second
mm/y, mm/a - Millimetre per year
nm/d - Nanometre per day
nm/h - Nanometre per hour
nm/s - Nanometre per second
Pm/s - Petametre per second
pm/h - Picometre per hour
pm/s - Picometre per second
l(P)/min - Planck length per minute
l(P)/s - Planck length per second
c - Speed of light
Tm/s - Terametre per second
yd/d - Yard per day
yd/h - Yard per hour
yd/min - Yard per minute
yd/s - Yard per second
yd/y, yd/a - Yard per year
ym/s - Yoctometre per second
Ym/s - Yottametre per second
zm/s - Zeptometre per second
Zm/s - Zettametre per second
Å/s - Ångstrøm per second
aW - Attowatt
BTU/h - British thermal unit per hour
BTU/min - British thermal unit per minute
BTU/s, btu/s - British thermal unit per second
cal/h - Calorie per hour
cal/min - Calorie per minute
cal/s - Calorie per second
cW - Centiwatt
ch - Cheval vapeur
daNm/s - Decanewton metre per second
daW - Decawatt
dW - Deciwatt
dyncm/s - Dyne centimetre per second
dynm/s - Dyne metre per second
eV/s - Electronvolt per second
erg/s - Erg per second
EW - Exawatt
fW - Femtowatt
GW - Gigawatt
hW - Hectowatt
hp, bhp - Horsepower (Brake horsepower)
PS, hp(M) - Horsepower (metric)
J/d - Joule per day
J/h - Joule per hour
J/min - Joule per minute
J/s - Joule per second
J/y, J/a - Joule per year
kcal/h - Kilocalorie per hour
kcal/min - Kilocalorie per minute
kcal/s - Kilocalorie per second
kg m²/s³ - Kilogram square metre per second cubed
kpm/s - Kilopond metre per second
kW - Kilowatt
mp - Manpower
MW - Megawatt
mkp/s - Metre kilopond per second
µW - Microwatt
mW - Milliwatt
nW - Nanowatt
Nm/s - Newton metre per second
Ω A² - Ohm ampere squared
Pa m³/s - Pascal cubic metre per second
PW - Petawatt
pW - Picowatt
P(P) - Planck power
p - Poncelet
pm/s - Pond metre per second
lb ft²/s³ - Pound square foot per second cubed
lb in²/s³ - Pound square inch per second cubed
TW - Terawatt
var - Var (Volt Ampere Reactive)
VA - Volt ampere
V²/Ω - Volt squared per ohm
W - Watt
yW - Yoctowatt
YW - Yottawatt
zW - Zeptowatt
ZW - Zettawatt
2 · π⁵ ·
⁴
·
·
⁴
/ (15 ·
³
·
²
) =
© 2010 - 2025 Norbert Schneider
