calculand - Heat formulas
Unit converter
Quantity converter
Numeral systems
Calculate primes
Convert WARP
Volume formulas
Area formulas
Length formulas
Energy formulas
Force formulas
Pressure formulas
Power formulas
Velocity formulas
Heat formulas
Light formulas
Exponents, roots
Logarithm
Circular functions
Elements and materials
Formula collection
Unit list
Quantity list
Numeral systems list
Impressum/Contact
<
>
Boltzmann constant
Cooling flow
Curie constant
Discharge time
Einstein relation
Hartree temperature
Hawking temperature
Heat capacity
Heat flow rate
Heat flux density
Heat quantity
Homologous temperature
Linear expansion coefficient
Lorenz number
Molar heat capacity
Planck temperature
Péclet number
Schrödinger temperature
Specific heat capacity
Stefan-Boltzmann law
Stokes-Einstein equation
Temperature difference
Temperature gradient
Thermal conductance
Thermal conductivity
Thermal diffusivity
Thermal resistance
Thermal resistivity
Thermal transmittance
Universal gas constant
Volumetric expansion coefficient
Volumetric heat capacity
Wiedemann-Franz law
Thermal resistance -
R
th
= l / (λ · A)
r α tauri - Aldebaran radius
r α cen A - Alpha Centauri A radius
r α cen B - Alpha Centauri B radius
arshin - Arshin (арши́н)
AU, UA - Astronomical unit
am - Attometre
M - Basic module
r α ori - Betelgeuse radius
aₒ - Bohr radius
bu - Bu (分, japan.)
bu - Bu (步, chin.)
cbl. - Cable
cal. - Calibre
cm - Centimetre
r ⚳ - Ceres radius
ch. - Chain
CH, Fr. - Charrière (French)
chi - Chi (市尺)
cho - Chō (町)
cubitus - Cubitus, Roman cubit
cun - Cun (市寸)
dam - Decametre
dm - Decimetre
gradus - Degreeus, Roman step
digitus - Digitus, Roman finger
diuim - Diuim (дюйм)
r ⊕, r ♁ - Earth radius
rₑ - Electron radius
Em - Exametre
ftm - Fathom (nautical)
fm - Femtometre (Fermi)
fen - Fen (市分)
ft - Foot
fur - Furlong
fut - Fut (фут)
Gly - Gigalightyear
Gm - Gigametre
Gpc - Gigaparsec
hank cotton - Hank cotton
hao - Hao (毫)
hm - Hectometre
himetric - Himetric
hu - Hu (忽)
in - Inch
r ♃ - Jupiter radius
jo - Jō (丈)
ken - Ken (間)
kly - Kilolightyear
km - Kilometre
kpc - Kiloparsec
lea cotton - Lea cotton
lea hemp - Lea hemp
lea., l. - League
li, 10 hao - Li (市厘)
li - Li (市里, 15 yin)
Ld - Lightday
Lh - Lighthour
Lm - Lightminute
Ls - Lightsecond
ly - Lightyear
ln. - Line
liniya - Liniya (линия)
li. - Link
r ♂ - Mars radius
Mly - Megalightyear
Mm - Megametre
Mpc - Megaparsec
r ☿ - Mercury radius
m - Metre
3 M - Metric foot (basic module)
¼ M - Metric inch (basic module)
mickey - Mickey
µm - Micrometre (Micron)
mi - Mile
milia - Milia (ми́ля)
mil, thou - Milli-inch (Millesimus, Thousands of an inch)
milliarium - Milliarium, Roman mile
mm - Millimetre
r ☾ - Moon radius
mam - Myriametre
mo - Mō (毫)
nm - Nanometre
nm, sm - Nautical mile (Seamile)
r ♆ - Neptune radius
palmus - Palmus, Roman palm
pc - Parsec (Parallax second)
passus - Passus, Roman double step
pes - Pes, Roman foot
Pm - Petametre
piad - Piad (пядь)
pc. - Pica
pm - Picometre
l(P) - Planck length
r ♇ - Pluto radius
p - Point
ri - Ri (里)
rin - Rin (厘)
rd. - Rod (Perch)
sashen - Sashen (сажень)
r ♄ - Saturn radius
l(S) - Schrödinger length
sh. - Shackle
shaku - Shaku (尺)
si - Si (丝)
SU - Siegbahn unit
skein cotton - Skein cotton
r ☉ - Solar radius
spindle scotch - Spindle Scotch
spindle cotton - Spindle cotton
spindle hemp - Spindle hemp
stadium - Stadium, Roman stadium
p.p. - Stitch
l(St) - Stoney length
stopa - Stopa (стопа)
strehn cotton - Strehn cotton
sun - Sun (寸)
tchetvert - Tchetvert (четверть)
Tly - Teralightyear
Tm - Terametre
Tpc - Teraparsec
thread cotton - Thread cotton
thread hemp - Thread hemp
totchka - Totchka (то́чка)
twip - Twip
r ⛢ - Uranus radius
r ♀ - Venus radius
vershok - Vershok (вершок)
verst - Verst (верста́)
XU - X-unit
yd - Yard
yin - Yin (引)
ym - Yoctometre
Ym - Yottametre
zm - Zeptometre
Zm - Zettametre
zhang - Zhang (市丈)
Å - Ångstrøm
aW/m K - Attowatt per metre kelvin
BTU/ft h °F - British thermal unit per foot hour degree Fahrenheit
BTU/ft h K - British thermal unit per foot hour kelvin
BTU/ft min K - British thermal unit per foot minute Kelvin
BTU/ft min °F - British thermal unit per foot minute degree Fahrenheit
BTU/ft s °F - British thermal unit per foot second degree Fahrenheit
BTU/ft s K - British thermal unit per foot second kelvin
BTU/in s °F - British thermal unit per inch second degree Fahrenheit
BTU/in s K - British thermal unit per inch second kelvin
BTU/m s K - British thermal unit per metre second kelvin
cal/m s K - Calorie per metre second kelvin
cW/m K - Centiwatt per metre kelvin
daW/m K - Decawatt per metre kelvin
dW/m K - Deciwatt per metre kelvin
eV/m s K - Electronvolt per metre second kelvin
erg/m s K - Erg per metre second kelvin
EW/m K - Exawatt per metre kelvin
fW/m K - Femtowatt per metre kelvin
GW/m K - Gigawatt per metre kelvin
hW/m K - Hectowatt per metre kelvin
J/m s K - Joule per metre second kelvin
kcal/m s K - Kilocalorie per metre second kelvin
kg m/K s³ - Kilogram metre per kelvin second cubed
kp/s K - Kilopond per second kelvin
kWh/m s K - Kilowatt hour per metre second kelvin
kW/m K - Kilowatt per metre kelvin
MW/m K - Megawatt per metre kelvin
µW/m K - Microwatt per metre kelvin
mW/m K - Milliwatt per metre kelvin
nW/m K - Nanowatt per metre kelvin
N/s K - Newton per second kelvin
PW/m K - Petawatt per metre kelvin
pW/m K - Picowatt per metre kelvin
p/m K - Poncelet per metre kelvin
p/s K - Pond per second kelvin
lb in/K s³ - Pound inch per kelvin second cubed
lbf/s K - Pound-force per second kelvin
TW/m K - Terawatt per metre kelvin
var/m K - Var per metre kelvin
VA/m K - Volt ampere per metre kelvin
W m/m² K - Watt metre per square metre kelvin
W/cm K - Watt per centimetre kelvin
W/dm K - Watt per decimetre kelvin
W/ft °F - Watt per foot degree Fahrenheit
W/ft K - Watt per foot kelvin
W/in °F - Watt per inch degree Fahrenheit
W/in K - Watt per inch kelvin
W/m °C - Watt per metre degree Celsius
W/m °De - Watt per metre degree Delisle
W/m °F - Watt per metre degree Fahrenheit
W/m °N - Watt per metre degree Newton
W/m °Ra - Watt per metre degree Rankine
W/m °Ré - Watt per metre degree Réaumur
W/m °Rø - Watt per metre degree Rømer
W/m °We - Watt per metre degree Wedgwood
W/m K - Watt per metre kelvin
W/m T(P) - Watt per metre planck temperature
W/mm K - Watt per millimetre kelvin
W/yd K - Watt per yard kelvin
yW/m K - Yoctowatt per metre kelvin
YW/m K - Yottawatt per metre kelvin
zW/m K - Zeptowatt per metre kelvin
ZW/m K - Zettawatt per metre 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
Ω cal. - Caloric ohm
cK/W - Centikelvin per watt
daK/W - Decakelvin per watt
dK/W - Decikelvin per watt
°C/W - Degree Celsius per watt
°F h/BTU - Degree Fahrenheit hour per british thermal unit
°F h/J - Degree Fahrenheit hour per joule
°F/W - Degree Fahrenheit per watt
°F s³/lb in² - Degree Fahrenheit second cubed per pound square inch
°N/W - Degree Newton per watt
°Ra/W - Degree Rankine per watt
°Ré/W - Degree Réaumur per watt
°Rø/W - Degree Rømer per watt
°We/W - Degree Wedgwood per watt
fourier - Fourier
K h/BTU - Kelvin hour per british thermal unit
K h/J - Kelvin hour per joule
K/aW - Kelvin per attowatt
K/cW - Kelvin per centiwatt
K/daW - Kelvin per decawatt
K/dW - Kelvin per deciwatt
K/EW - Kelvin per exawatt
K/fW - Kelvin per femtowatt
K/GW - Kelvin per gigawatt
K/hW - Kelvin per hectowatt
K/kW - Kelvin per kilowatt
K/MW - Kelvin per megawatt
K/µW - Kelvin per microwatt
K/mW - Kelvin per milliwatt
K/nW - Kelvin per nanowatt
K/PW - Kelvin per petawatt
K/pW - Kelvin per picowatt
K/P(P) - Kelvin per planck power
K/TW - Kelvin per terawatt
K/VA - Kelvin per volt ampere
K/W - Kelvin per watt
K/yW - Kelvin per yoctowatt
K/YW - Kelvin per yottawatt
K/zW - Kelvin per zeptowatt
K/ZW - Kelvin per zettawatt
K s³/kg m² - Kelvin second cubed per kilogram square metre
K s³/lb in² - Kelvin second cubed per pound square inch
K s/BTU - Kelvin second per british thermal unit
K s/cal - Kelvin second per calorie
K s/eV - Kelvin second per electronvolt
K s/erg - Kelvin second per erg
K s/J - Kelvin second per joule
K s/kcal - Kelvin second per kilocalorie
mK/W - Millikelvin per watt
T(P)/P(P) - Planck temperature per planck power
T(P)/W - Planck temperature per watt
/ (
·
) =
© 2010 - 2026 Norbert Schneider
