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Thermodynamics and Statistical mechanics
> Thermal conductivity
Thermal conductivity
Formula
k
Thermal conductivity
Q
the quantity of transmitted heat
t
time interval of heat transfer
A
total cross sectional area of conducting surface
T
temperature difference
x
the thickness of conducting surface separating the two temperatures
Formula description
Thermal conductivity, k, is the property of a material's ability to conduct heat.
Calculator (
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Q
joule
attojoule
atomic unit of energy
barrel of oil equivalent
Board of Trade unit
British thermal unit (39 ¡ãF)
British thermal unit (59 ¡ãF)
British thermal unit (60 ¡ãF)
British thermal unit (63 ¡ãF)
British thermal unit (International Table)
British thermal unit (ISO)
British thermal unit (mean)
British thermal unit (thermochemical)
calorie (15 ¡ãC)
calorie (20 ¡ãC)
calorie (3.98 ¡ãC)
calorie (International Table)
calorie (mean)
Calorie (nutritional)
calorie (thermochemical)
Celsius heat unit (International Table)
centijoule
cheval vapeur heure
cubic centimeter of atmosphere; standard cubic centimeter
cubic foot of atmosphere; standard cubic foot
cubic foot of natural gas
cubic yard of atmosphere; standard cubic yard
decijoule
dekajoule
dekatherm
dekawatt hour
electron volt
erg (cgs unit)
exajoule
exawatt hour
femtojoule
foot-pound force
foot-poundal
gallon (U.S.) of automotive gasoline
gallon (U.S.) of aviation gasoline
gallon (U.S.) of diesel oil
gallon (U.S.) of distilate #2 fuel oil
gallon (U.S.) of kerosene
gallon (U.S.) of kerosene type jet fuel
gallon (U.S.) of LPG
gallon (U.S.) of naphtha type jet fuel
gallon (U.S.) of residual fuel oil
gallon (UK) of automotive gasoline
gallon (UK) of aviation gasoline
gallon (UK) of diesel oil
gallon (UK) of distilate #2 fuel oil
gallon (UK) of kerosene
gallon (UK) of kerosene type jet fuel
gallon (UK) of LPG
gallon (UK) of naphtha type jet fuel
gallon (UK) of residual fuel oil
gallon-atmosphere (imperial)
gallon-atmosphere (US)
gigacalorie (15¡ã C)
gigacalorie (I.T.)
gigaelectronvolt
gigajoule
gigawatt hour
gram calorie
hartree
hectojoule
hectowatt hour
horsepower-hour
hundred cubic foot of natural gas
inch ounce
inch-pound force
kilocalorie (15¡ã C)
kilocalorie (International table)
kilocalorie (thermochemical)
kiloelectronvolt
kilogram calorie
kilogram-force meter
kilojoule
kilometer-decanewton
kilonewton-meter
kilopond meter
kiloton (explosive)
kilowatt hour
kilowatt-hour; Board of Trade Unit
large calorie
liter-atmosphere
megacalorie (15¡ã C)
megacalorie (I.T.)
megaelectronvolt
megajoule
megalerg
megaton (explosive)
megawatthour
microjoule
millijoule
myriawatt hour
nanojoule
newton meter
petajoule
petawatthour
pferdest?rkenstunde
picojoule
Q unit
quad
rydberg
teraelectronvolt
terajoule
terawatthour
therm (E.C.)
therm (U.S.)
thermie
thousand foot-pounds force
ton of coal equivalent
ton of oil equivalent
ton of TNT
tonne of coal equivalent
tonne of oil equivalent
watthour
wattsecond
yoctojoule
yottajoule
yottawatthour
zeptojoule
zettajoule
zettawatthour
t
second
annum (sidereal year)
atomic unit of time
Callippic cycle
century
day
day (sidereal)
enneadecaeteris
half millisecond
helek
Hipparchic cycle
hour
hundred seconds
jiffy
jiffy (alternate)
ke (quarter of an hour)
ke (traditional)
lustre, lustrum
Metonic cycle, enneadecaeteris
microsecond
millennium
milliday
million years
millisecond
minute
moment
month (full)
month (Greg. av.)
month (hollow)
month (synodic)
nanosecond
octaeteris
picosecond
Planck time
quarter
shake
sigma
sixtieth second
Sothic cycle
svedberg
ten milliseconds
tenth second
week
year (Gregorian)
year (Julian)
year (sidereal)
year (tropical)
A
square meter
acre (international)
acre (U.S. survey)
barn
darcy
gallon per foot
hectare
square centimeter
square chain (Gunter, survey)
square chain (international)
square chain (U.S. Survey)
square foot
square foot (U.S. Survey)
square hectometer
square inch
square inch (survey)
square kilometer
square micrometer
square micromicron
square micron
square mile
square millimeter
T
kelvin
degree celsius
degree fahrenheit
degree rankine
x
meter
0.001 inch
0.1 foot (international)
0.1 inch
150 kilometers
32nd inch
50 kilometers
64th inch
a.u.of length(a.u.b)
angstrom
barrel per acre
braza (Texas)
centimeter
chain
chain (British chain (Benoit 1895 A))
chain (British chain (Benoit 1895 B)
chain (British chain (Sears 1922 truncated))
chain (British chain (Sears 1922))
chain (Clarke chain)
chain (Gunter's chain, Surveyor's chain)
chain (Ramsden chain, Engineer's chain)
chain (US survey chain)
cubic meter per square meter
cuerda
decimeter
dra (Russia)
Earth's distance from sun
Earth's equatorial radius
el (Dutch)
elle (Vienna)
estadio (Spain)
fathom
femtometer
foot (American modified)
foot (Beno?t)
foot (British foot (1865))
foot (British foot (1936))
foot (British foot (Benoit 1895 A))
foot (British foot (Benoit 1895 B))
foot (British foot (Sears 1922 truncated))
foot (British foot (Sears 1922))
foot (Clarke's; Cape) (H)
foot (France)
foot (Gold Coast foot)
foot (Indian foot (1937))
foot (Indian foot (1962))
foot (Indian foot (1975))
foot (Indian foot)
foot (International)
foot (royal foot)
foot (Scots foot)
foot (Sears)
foot (U.S. survey)
gallon per hundred square feet
gigameter
hectometer
inch (International)
inch (U.S. survey)
kilometer
light year (tropical)
light-day
light-hour
light-minute
light-second
link
link (British link (Benoit 1895 A))
link (British link (Benoit 1895 B))
link (British link (Sears 1922 truncated))
link (British link (Sears 1922))
link (Clarke link)
link (Gunter's; Surveyor's)
link (Ramsden's; Engineer's)
link (US survey link)
marathon
megameter
meter (German legal meter)
micrometer
micromicron
micron
mile (Britain, ancient)
mile (geographical)?
mile (international)
mile (Irish)
mile (nautical mile, Admiralty)
mile (nautical, international)
mile (nautical, UK nautical mile)
mile (nautical, US)
mile (Roman, ancient)
mile (Scottish)
mile (statute)
mile (tactical or data)
mile (telegraph)
mile (U.S. Survey)
millimeter
millimicron
million cubic feet per acre
nanometer
nanon
petameter
picometer
Planck length
point (Adobe)
point (Britain, US)
point (Didot; European)
point (PostScript)?
point (TeX)?
point?(American, English)
rod (international)
rod (US Survey)
tenth inch
terameter
yard (British yard (Benoit 1895 A))
yard (British yard (Benoit 1895 B))
yard (British yard (Sears 1922 truncated))
yard (British yard (Sears 1922))
yard (Clarke yard)
yard (Indian yard (1937))
yard (Indian yard (1962))
yard (Indian yard (1975))
yard (Indian yard)
yard (International)
yard (US Survey yard)
yoctometer
yottameter
zeptometer
zettameter
k
kilogram meter per kelvin per second cubed
watt per meter per degree Kelvin
Precision
0
1
2
3
4
5
6
7
8
9
Formula code
C
Java
JavaScript
LaTeX
k = Q*x/(t*A*T)
k = Q*x/(t*A*T)
k = Q*x/(t*A*T)
k= \frac{Q}{t} \frac{1}{A} \frac{x}{T}
References
Wikipedia:Thermal conductivity.
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