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Definition

Source Constants

ConstantQuantityProductUnitSystem
Boltzmann$1.380649 \times 10^{-23}$ $[\text{J} \cdot \text{K}^{-1}]$$\text{k}_\text{B}$SI2019
Avogadro$6.02214076 \times 10^{23}$ $[\text{mol}^{-1}]$$\text{N}_\text{A}$SI2019
Planck$6.62607015 \times 10^{-34}$ $[\text{J} \cdot \text{s}]$$\hbar$SI2019
light speed$2.99792458 \times 10^{8}$ $[\text{m}\cdot \text{s}^{-1}]$$\text{c}$SI2019
elementary charge$1.602176634 \times 10^{-19}$ $[\text{C}]$$\text{e}$SI2019
luminous efficacy$683.01969009009$ $[\text{lm} \cdot \text{W}^{-1}]$$\text{K}_\text{cd}$SI2019
hyperfine transition$9.19263177 \times 10^{9}$ $[\text{Hz}]$$\Delta\nu_\text{Cs}$SI2019
rydberg$1.0973731568160(21) \times 10^{7}$ $[\text{m}^{-1}]$$\text{R}_{\infty}$SI2019
fine structure$0.0072973525693(11)$ $[\mathbb{1}]$$\alpha$Universe
electron unit ratio$0.000548579909065(16)$ $[\mathbb{1}]$$\mu_\text{eu}$Universe
proton unit ratio$1.007276466621(53)$ $[\mathbb{1}]$$\mu_\text{pu}$Universe
dark energy density$0.6889(56)$ $[\mathbb{1}]$$\Omega_{\Lambda}$Universe
Hubble$2.193(14) \times 10^{-18}$ $[\text{Hz}]$$\text{H}_0\cdot \text{au}^{-1}\tau\cdot 2^{-10}3^{-4}5^{-6}$Metric
g-force$9.80665$ $[\text{m}\cdot \text{s}^{-2}]$$\text{g}_0$Metric
year$365.25$ $[\text{D}]$$\text{a}_\text{j}$IAU☉
astronomical unit$1.495978707000(30) \times 10^{11}$ $[\text{m}]$$\text{au}$Metric
foot$0.3048$ $[\text{m}]$$\text{ft}$Metric
surveyfoot$0.3048006096012192$ $[\text{m}]$$\text{ft}_\text{US}$Metric
pound$0.45359237$ $[\text{kg}]$$\text{lb}$Metric
Celsius$273.15$ $[\text{K}]$$\text{T}_0$Metric
atmosphere$101325.0$ $[\text{Pa}]$$\text{atm}$Metric
inch mercury$3386.3890000000006$ $[\text{Pa}]$$\text{in}_\text{Hg}^{-1}$Metric
Klitzing (1990)$25812.807$ $[\Omega]$$\text{R}_\text{K}^{90}$Conventional
Josephson (1990)$4.835979 \times 10^{14}$ $[\text{Hz} \cdot \text{V}^{-1}]$$\text{K}_\text{J}^{90}$Conventional
Klitzing (2014)$25812.8074555(59)$ $[\Omega]$$\text{R}_\text{K}$CODATA
Josephson (2014)$4.835978525(30) \times 10^{14}$ $[\text{Hz} \cdot \text{V}^{-1}]$$\text{K}_\text{J}$CODATA
molar gas (2014)$8.3144598(48)$ $[\text{J} \cdot \text{K}^{-1} \text{mol}^{-1}]$$\text{R}_\text{u}$CODATA
resistance$1.000495$ $[\text{kg}\cdot \text{m}\cdot \text{s}^{-2}\text{C}^{-2}]/[\text{kg}\cdot \text{m}\cdot \text{s}^{-2}\text{C}^{-2}]$$\Omega_\text{it}$International -> Metric
electricpotential$1.00033$ $[\text{V} \cdot \text{m}^{-1}]/[\text{V} \cdot \text{m}^{-1}]$$\text{V}_\text{it}$International -> Metric
gauss gravitation$0.017202098964713464$ $[\text{D}^{-1}]$$\text{k}_\text{G}\cdot \tau\cdot 2^{-7}3^{-4}5^{-3}$IAU☉
Planck mass$2.176434(24) \times 10^{-8}$ $[\text{kg}]$$\text{m}_\text{P}$Metric
Earth mass graviation$3.9860044180(80) \times 10^{14}$ $[\text{m}^{3}\text{s}^{-2}]$$\text{GM}_\text{E}$Metric
Jupiter mass gravitation$1.266865340(90) \times 10^{17}$ $[\text{m}^{3}\text{s}^{-2}]$$\text{GM}_\text{J}$Metric
golden ratio$1.618033988749895$ $[\mathbb{1}]$$\varphi$Universe
Euler-Mascheroni$0.5772156649015329$ $[\mathbb{1}]$$\gamma$Universe
Euler$2.718281828459045$ $[\mathbb{1}]$$e$Universe
turn$6.283185307179586$ $[\mathbb{1}]$$\tau$Universe
two$2.0$ $[\mathbb{1}]$$2$Universe
three$3.0$ $[\mathbb{1}]$$3$Universe
five$5.0$ $[\mathbb{1}]$$5$Universe
seven$7.0$ $[\mathbb{1}]$$7$Universe
eleven$11.0$ $[\mathbb{1}]$$11$Universe
nineteen$19.0$ $[\mathbb{1}]$$19$Universe
fourty three$43.0$ $[\mathbb{1}]$$43$Universe

Standard Units

Angle Units

NameQuantityProductUnitSystem
turn$6.283185307179586$ $[\mathbb{1}]$$\tau$SI2019
radian$1.0$ $[\mathbb{1}]$$1$SI2019
spatian$1.0$ $[\varsigma]$$1$MetricSpatian
gradian$1.0$ $[\text{gon}]$$1$MetricGradian
bradian$0.02454369260617026$ $[\text{rad}]$$\tau\cdot 2^{-8}$Engineering
degree$1.0$ $[\text{deg}]$$1$MetricDegree
arc minute$1.0$ $[\text{amin}]$$1$MetricArcminute
arc second$1.0$ $[\text{asec}]$$1$MetricArcsecond

Solid Angle Units

NameQuantityProductUnitSystem
spat$12.566370614359172$ $[\mathbb{1}]$$\tau\cdot 2$SI2019
steradian$1.0$ $[\text{rad}^{2}]$$1$Engineering
square degree$1.0$ $[\text{deg}^{2}]$$1$MetricDegree

Time Units

NameQuantityProductUnitSystem
second$1.0$ $[\text{s}]$$1$Metric
minute$60.0$ $[\text{s}]$$2^{2}3\cdot 5$Metric
hour$3600.0$ $[\text{s}]$$2^{4}3^{2}5^{2}$Metric
day$1.0$ $[\text{D}]$$1$IAU☉
year$365.25$ $[\text{D}]$$\text{a}_\text{j}$IAU☉

Length Units

NameQuantityProductUnitSystem
angstrom$1.0 \times 10^{-10}$ $[\text{m}]$$2^{-10}5^{-10}$Metric
inch$1.0$ $[\text{in}]$$1$IPS
foot$1.0$ $[\text{ft}]$$1$English
survey foot$1.0$ $[\text{ft}]$$1$Survey
yard$3.0$ $[\text{ft}]$$3$English
meter$1.0$ $[\text{m}]$$1$Metric
Earth meter$1.0$ $[\text{em}]$$1$Meridian
mile$5280.0$ $[\text{ft}]$$2^{5}3\cdot 5\cdot 11$English
statute mile$5280.0$ $[\text{ft}]$$2^{5}3\cdot 5\cdot 11$Survey
meridian mile$1851.8518518518522$ $[\text{m}]$$2^{4}3^{-3}5^{5}$Metric
admiralty mile$6080.0$ $[\text{ft}]$$2^{6}5\cdot 19$English
nautical mile$1.0$ $[\text{nm}]$$1$Nautical
lunar distance$3.84399 \times 10^{8}$ $[\text{m}]$$2^{3}3^{3}5^{3}14237$Metric
astronomical unit$1.0$ $[\text{au}]$$1$IAU☉
Jupiter distance$7.78479 \times 10^{11}$ $[\text{m}]$$2^{6}3\cdot 5^{6}259493$Metric
light-year$9.4607304725808 \times 10^{15}$ $[\text{m}]$$\text{c}\cdot \text{a}_\text{j}\cdot 2^{7}3^{3}5^{2}$Metric
parsec$206264.80624709636$ $[\text{au}]$$\tau^{-1}2^{7}3^{4}5^{3}$IAU☉

Speed Units

NameQuantityProductUnitSystem
Bubnoff$3.168808781402896 \times 10^{-8}$ $[\text{m}\cdot \text{s}^{-1}]$$\text{a}_\text{j}^{-1}2^{-7}3^{-3}5^{-2}$Metric
feet per minute$0.016666666666666666$ $[\text{ft}\cdot \text{s}^{-1}]$$2^{-2}3^{-1}5^{-1}$British
inches per second$1.0$ $[\text{in}\cdot \text{s}^{-1}]$$1$IPS
kilometers per hour$0.2777777777777778$ $[\text{m}\cdot \text{s}^{-1}]$$2^{-1}3^{-2}5$Metric
feet per second$1.0$ $[\text{ft}\cdot \text{s}^{-1}]$$1$British
miles per hour$1.0$ $[\text{mi}\cdot \text{h}^{-1}]$$1$MPH
knot$1.0$ $[\text{nm}\cdot \text{h}^{-1}]$$1$Nautical
meters per second$1.0$ $[\text{m}\cdot \text{s}^{-1}]$$1$Metric
miles per second$3600.0$ $[\text{mi}\cdot \text{h}^{-1}]$$2^{4}3^{2}5^{2}$MPH

Area Units

NameQuantityProductUnitSystem
barn$1.0 \times 10^{-28}$ $[\text{m}^{2}]$$2^{-28}5^{-28}$Metric
hectare$10000.0$ $[\text{m}^{2}]$$2^{4}5^{4}$Metric
acre$43560.0$ $[\text{ft}^{2}]$$2^{3}3^{2}5\cdot 11^{2}$English
survey acre$43560.0$ $[\text{ft}^{2}]$$2^{3}3^{2}5\cdot 11^{2}$Survey

Volume Units

NameQuantityProductUnitSystem
liter$0.001$ $[\text{m}^{3}]$$2^{-3}5^{-3}$Metric
gallon$231.0$ $[\text{in}^{3}]$$3\cdot 7\cdot 11$IPS
quart$57.75$ $[\text{in}^{3}]$$2^{-2}3\cdot 7\cdot 11$IPS
pint$28.875$ $[\text{in}^{3}]$$2^{-3}3\cdot 7\cdot 11$IPS
cup$14.4375$ $[\text{in}^{3}]$$2^{-4}3\cdot 7\cdot 11$IPS
fluid ounce$1.8046875$ $[\text{in}^{3}]$$2^{-7}3\cdot 7\cdot 11$IPS
teaspoon$5.0 \times 10^{-6}$ $[\text{m}^{3}]$$2^{-6}5^{-5}$Metric
tablespoon$1.5000000000000002 \times 10^{-5}$ $[\text{m}^{3}]$$2^{-6}3\cdot 5^{-5}$Metric

Mass Units

NameQuantityProductUnitSystem
gram$0.001$ $[\text{kg}]$$2^{-3}5^{-3}$Metric
Earth gram$0.001$ $[\text{keg}]$$2^{-3}5^{-3}$Meridian
kilogram$1.0$ $[\text{kg}]$$1$Metric
tonne$1000.0$ $[\text{kg}]$$2^{3}5^{3}$Metric
ton$2000.0$ $[\text{lbm}]$$2^{4}5^{3}$English
pound (mass)$1.0$ $[\text{lbm}]$$1$English
ounce$0.0625$ $[\text{lbm}]$$2^{-4}$English
grain$0.00014285714285714284$ $[\text{lbm}]$$2^{-3}5^{-3}7^{-1}$English
slug$1.0$ $[\text{slug}]$$1$British
slinch$1.0$ $[\text{slinch}]$$1$IPS
hyl$1.0$ $[\text{hyl}]$$1$Gravitational

Force Units

NameQuantityProductUnitSystem
dyne$1.0$ $[\text{dyn}]$$1$Gauss
newton$1.0$ $[\text{N}]$$1$Metric
poundal$1.0$ $[\text{pdl}]$$1$FPS
pound (force)$1.0$ $[\text{lbf}]$$1$English
kilopond$1.0$ $[\text{kgf}]$$1$Engineering

Presure Units

NameQuantityProductUnitSystem
pounds per square inch$1.0$ $[\text{lb}\cdot \text{in}^{-2}]$$1$IPS
pascal$1.0$ $[\text{Pa}]$$1$Metric
barye$1.0$ $[\text{Ba}]$$1$Gauss
bar$100000.0$ $[\text{Pa}]$$2^{5}5^{5}$Metric
technical atmosphere$10000.0$ $[\text{kgf}\cdot \text{m}^{-2}]$$2^{4}5^{4}$Engineering
atmosphere$101325.0$ $[\text{Pa}]$$\text{atm}$Metric
inch mercury$3386.3890000000006$ $[\text{Pa}]$$\text{in}_\text{Hg}^{-1}$Metric
torr$133.32236842105263$ $[\text{Pa}]$$\text{atm}\cdot 2^{-3}5^{-1}19^{-1}$Metric

Energy Units

NameQuantityProductUnitSystem
erg$1.0$ $[\text{erg}]$$1$Gauss
joule$1.0$ $[\text{J}]$$1$Metric
foot-pound$1.0$ $[\text{lbf}\cdot \text{ft}]$$1$English
calorie$4.186737323211057$ $[\text{J}]$$\Omega_\text{it}^{-1}\text{V}_\text{it}^{2}2^{2}3^{2}5\cdot 43^{-1}$Metric
kilocalorie$4186.737323211056$ $[\text{J}]$$\Omega_\text{it}^{-1}\text{V}_\text{it}^{2}2^{5}3^{2}5^{4}43^{-1}$Metric
mean calorie$4.186841954605034$ $[\text{J}]$$2^{2}3^{2}5\cdot 43^{-1}1.0001900224889804$Metric
Earth calorie$4.1746383635(84)$ $[\text{eJ}]$$\text{g}_0\cdot \Omega_\text{it}^{-1}\text{V}_\text{it}^{2}\text{GM}_\text{E}^{-1}\tau^{-2}2^{20}3^{2}5^{15}43^{-1}$Meridian
British thermal unit$778.1576129990752$ $[\text{lbf}\cdot \text{ft}]$$\text{g}_0^{-1}\text{ft}^{-1}\Omega_\text{it}^{-1}\text{V}_\text{it}^{2}2^{5}5^{5}43^{-1}$English
gas gallon$1.2027456665017475 \times 10^{8}$ $[\text{J}]$$\text{lb}\cdot \Omega_\text{it}^{-1}\text{V}_\text{it}^{2}2^{9}3\cdot 5^{8}19\cdot 43^{-1}$Metric
ton TNT$4.186737323211056 \times 10^{9}$ $[\text{J}]$$\Omega_\text{it}^{-1}\text{V}_\text{it}^{2}2^{11}3^{2}5^{10}43^{-1}$Metric
electronvolt$1.602176634 \times 10^{-19}$ $[\text{J}]$$\text{e}$SI2019

Power Units

NameQuantityProductUnitSystem
watt$1.0$ $[\text{W}]$$1$Metric
horsepower (Watt)$542.8672105403163$ $[\text{lb}\cdot \text{ft}\cdot \text{s}^{-1}]$$\tau\cdot 2^{4}3^{3}5^{-1}$British
horsepower (Metric)$75.0$ $[\text{kgf}\cdot \text{m}\cdot \text{s}^{-1}]$$3\cdot 5^{2}$Gravitational
horsepower$550.0$ $[\text{lb}\cdot \text{ft}\cdot \text{s}^{-1}]$$2\cdot 5^{2}11$British
electrical horsepower$746.0$ $[\text{W}]$$746$Metric
tons refrigeration$3516.8001944495536$ $[\text{W}]$$\text{lb}\cdot \Omega_\text{it}^{-1}\text{V}_\text{it}^{2}2^{6}3^{-1}5^{6}43^{-1}$Metric
boiler horsepower$9810.407209099902$ $[\text{W}]$$\text{lb}\cdot \Omega_\text{it}^{-1}\text{V}_\text{it}^{2}2\cdot 3^{-2}5^{5}43^{-1}1339$Metric

Thermodynamic Units

NameQuantityProductUnitSystem
Kelvin$1.0$ $[\text{K}]$$1$Metric
Rankine$1.0$ $[^\circ\text{R}]$$1$English
Celsius$273.15$ $[\text{K}]$$\text{T}_0$Metric
Fahrenheit$459.67$ $[^\circ\text{R}]$$459.67$English
sea level$288.15$ $[\text{K}]$$288.15$Metric
boiling$373.1339$ $[\text{K}]$$373.1339$Metric
mole$1.0$ $[\text{mol}]$$1$Metric
Earth-mole$1.0$ $[\text{eg-mol}]$$1$Meridian
pound-mole$1.0$ $[\text{lb-mol}]$$1$English
slug-mole$1.0$ $[\text{slug-mol}]$$1$British
slinch-mole$1.0$ $[\text{slinch-mol}]$$1$IPS
katal$1.0$ $[\text{kat}]$$1$Metric
amagat$44.615033405470314$ $[\text{m}^{-3}\text{mol}]$$\text{k}_\text{B}^{-1}\text{N}_\text{A}^{-1}\text{T}_0^{-1}\text{atm}$SI2019

Photometric Units

NameQuantityProductUnitSystem
lumen$1.0$ $[\text{cd}]$$1$Metric
candela$1.0$ $[\text{cd}]$$1$Metric
lux$1.0$ $[\text{lx}]$$1$Metric
phot$1.0$ $[\text{ph}]$$1$Gauss
foot-candle$1.0$ $[\text{fc}]$$1$English
nit$1.0$ $[\text{lx}]$$1$Metric
abostilb$0.3183098861837907$ $[\text{lx}]$$\tau^{-1}2$Metric
stilb$1.0$ $[\text{ph}]$$1$Gauss
lambert$0.3183098861837907$ $[\text{ph}]$$\tau^{-1}2$Gauss
foot-lambert$0.3183098861837907$ $[\text{ft}^{-2}\text{lm}\cdot \text{rad}^{-2}]$$\tau^{-1}2$English
bril$3.1830988618379067 \times 10^{-12}$ $[\text{ph}]$$\tau^{-1}2^{-10}5^{-11}$Gauss
talbot$1.0$ $[\text{s}\cdot \text{lm}]$$1$Metric
lumerg$1.0000000000000001 \times 10^{-7}$ $[\text{s}\cdot \text{lm}]$$2^{-7}5^{-7}$Gauss

Sepcialized Units

NameQuantityProductUnitSystem
hertz$1.0$ $[\text{Hz}]$$1$Metric
actions per minute$0.016666666666666666$ $[\text{Hz}]$$2^{-2}3^{-1}5^{-1}$Metric
revolutions per minute$0.10471975511965977$ $[\text{Hz}]$$\tau\cdot 2^{-2}3^{-1}5^{-1}$Metric
kayser$1.0$ $[\text{cm}^{-1}]$$1$Gauss
diopter$1.0$ $[\text{m}^{-1}]$$1$Metric
rayleigh$1.0 \times 10^{10}$ $[\text{Hz} \cdot \text{m}^{-2}]$$2^{10}5^{10}$Metric
flick$1.0 \times 10^{10}$ $[\text{W} \cdot \text{m}^{-3}]$$2^{10}5^{10}$Metric
g-force$1.0$ $[\text{g}_0]$$1$English
galileo$1.0$ $[\text{gal}]$$1$Gauss
eotvos$1.0 \times 10^{-9}$ $[\text{gal} \cdot \text{cm}^{-1}]$$2^{-9}5^{-9}$Gauss
darcy$9.86923266716013 \times 10^{-9}$ $[\text{cm}^{2}]$$\text{atm}^{-1}2^{-3}5^{-3}$Gauss
poise$1.0$ $[\text{P}]$$1$Gauss
reyn$1.0$ $[\text{lb}\cdot \text{in}^{-2}\text{s}]$$1$IPS
stokes$1.0$ $[\text{St}]$$1$Gauss
rayl$1.0$ $[\text{kg}\cdot \text{m}^{-2}\text{s}^{-1}]$$1$Metric
mpg equivalent$1.3380584481180184 \times 10^{-5}$ $[\text{N}^{-1}]$$\text{ft}\cdot \text{lb}^{-1}\Omega_\text{it}\cdot \text{V}_\text{it}^{-2}2^{-4}5^{-7}11\cdot 19^{-1}43$Metric
langley$41867.37323211056$ $[\text{N} \cdot \text{m}^{-1}]$$\Omega_\text{it}^{-1}\text{V}_\text{it}^{2}2^{6}3^{2}5^{5}43^{-1}$Metric
jansky$1.0 \times 10^{-26}$ $[\text{N} \cdot \text{m}^{-1}]$$2^{-26}5^{-26}$Metric
solar flux$9.999999999999999 \times 10^{-23}$ $[\text{N} \cdot \text{m}^{-1}]$$2^{-22}5^{-22}$Metric
curie$3.7 \times 10^{10}$ $[\text{Hz}]$$2^{9}5^{9}37$Metric
gray$1.0$ $[\text{J} \cdot \text{kg}^{-1}]$$1$Metric
roentgen$0.0002579768717696458$ $[\text{kg}^{-1}\text{C}]$$\text{c}^{-1}2^{5}5^{5}/1.293$Metric

Charge Units

NameQuantityProductUnitSystem
coulomb$1.0$ $[\text{C}]$$1$Metric
Earth coulomb$1.0$ $[\text{eC}]$$1$Meridian
abcoulomb$1.0$ $[\text{g}^{1/2}\text{cm}^{1/2}]$$1$EMU
statcoulomb$1.0$ $[\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-1}]$$1$ESU

Current Units

NameQuantityProductUnitSystem
ampere$1.0$ $[\text{s}^{-1}\text{C}]$$1$Metric
abampere$1.0$ $[\text{Mx} \cdot \text{cm}^{-1}]$$1$EMU
statampere$1.0$ $[\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-2}]$$1$ESU

Electromotive Units

NameQuantityProductUnitSystem
volt$1.0$ $[\text{V}]$$1$Metric
abvolt$1.0$ $[\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-2}]$$1$EMU
statvolt$1.0$ $[\text{g}^{1/2}\text{cm}^{1/2}\text{s}^{-1}]$$1$ESU

Inductance Units

NameQuantityProductUnitSystem
henry$1.0$ $[\text{H}]$$1$Metric
abhenry$1.0$ $[\text{cm}]$$1$EMU
stathenry$1.0$ $[\text{cm}^{-1}\text{s}^{2}]$$1$ESU

Resistance Units

NameQuantityProductUnitSystem
ohm$1.0$ $[\Omega]$$1$Metric
abohm$1.0$ $[\text{cm}\cdot \text{s}^{-1}]$$1$EMU
statohm$1.0$ $[\text{cm}^{-1}\text{s}]$$1$ESU

Conductance Units

NameQuantityProductUnitSystem
siemens$1.0$ $[\text{S}]$$1$Metric
abmho$1.0$ $[\text{cm}^{-1}\text{s}]$$1$EMU
statmho$1.0$ $[\text{cm}\cdot \text{s}^{-1}]$$1$ESU

Capacitance Units

NameQuantityProductUnitSystem
farad$1.0$ $[\text{F}]$$1$Metric
abfarad$1.0$ $[\text{cm}^{-1}\text{s}^{2}]$$1$EMU
statfarad$1.0$ $[\text{cm}]$$1$ESU

Magnetic Flux Units

NameQuantityProductUnitSystem
weber$1.0$ $[\text{Wb}]$$1$Metric
maxwell$1.0$ $[\text{Mx}]$$1$EMU
statfarad$1.0$ $[\text{g}^{1/2}\text{cm}^{1/2}]$$1$ESU

Magnetic Flux Density Units

NameQuantityProductUnitSystem
tesla$1.0$ $[\text{T}]$$1$Metric
gauss$1.0$ $[\text{G}]$$1$EMU
stattesla$1.0$ $[\text{g}^{1/2}\text{cm}^{-3/2}]$$1$ESU

Magnetic Specialized Units

NameQuantityProductUnitSystem
oersted$1.0$ $[\text{G}]$$1$EMU
gilbert$0.07957747154594767$ $[\text{Mx} \cdot \text{cm}^{-1}]$$\tau^{-1}2^{-1}$EMU

Kinematic

UnifiedMetricBritishEnglishGauss
angle$A$$\mathbb{1}$$\mathbb{1}$$\text{rad}$$\mathbb{1}$
solid angle$A^{2}$$\mathbb{1}$$\mathbb{1}$$\text{rad}^{2}$$\mathbb{1}$
time$T$$\text{s}$$\text{s}$$\text{s}$$\text{s}$
angular time$TA^{-1}$$\text{s}$$\text{s}$$\text{s}\cdot \text{rad}^{-1}$$\text{s}$
length$L$$\text{m}$$\text{ft}$$\text{ft}$$\text{cm}$
angular length$LA^{-1}$$\text{m}$$\text{ft}$$\text{ft}\cdot \text{rad}^{-1}$$\text{cm}$
area$L^{2}$$\text{m}^{2}$$\text{ft}^{2}$$\text{ft}^{2}$$\text{cm}^{2}$
angular area$L^{2}A^{-2}$$\text{m}^{2}$$\text{ft}^{2}$$\text{ft}^{2}\text{rad}^{-2}$$\text{cm}^{2}$
volume$L^{3}$$\text{m}^{3}$$\text{ft}^{3}$$\text{ft}^{3}$$\text{mL}$
wavenumber$L^{-1}$$\text{m}^{-1}$$\text{ft}^{-1}$$\text{ft}^{-1}$$\text{cm}^{-1}$
angular wavenumber$L^{-1}A$$\text{m}^{-1}$$\text{ft}^{-1}$$\text{ft}^{-1}\text{rad}$$\text{cm}^{-1}$
fuel efficiency$L^{-2}$$\text{m}^{-2}$$\text{ft}^{-2}$$\text{ft}^{-2}$$\text{cm}^{-2}$
number density$L^{-3}$$\text{m}^{-3}$$\text{ft}^{-3}$$\text{ft}^{-3}$$\text{mL}^{-1}$
frequency$T^{-1}$$\text{Hz}$$\text{Hz}$$\text{Hz}$$\text{Hz}$
angular frequency$T^{-1}A$$\text{Hz}$$\text{Hz}$$\text{s}^{-1}\text{rad}$$\text{Hz}$
frequency drift$T^{-2}$$\text{Hz} \cdot \text{s}^{-1}$$\text{Hz} \cdot \text{s}^{-1}$$\text{Hz} \cdot \text{s}^{-1}$$\text{gal} \cdot \text{cm}^{-1}$
stagnance$L^{-1}T$$\text{m}^{-1}\text{s}$$\text{ft}^{-1}\text{s}$$\text{ft}^{-1}\text{s}$$\text{cm}^{-1}\text{s}$
speed$LT^{-1}$$\text{m}\cdot \text{s}^{-1}$$\text{ft}\cdot \text{s}^{-1}$$\text{ft}\cdot \text{s}^{-1}$$\text{cm}\cdot \text{s}^{-1}$
acceleration$LT^{-2}$$\text{m}\cdot \text{s}^{-2}$$\text{ft}\cdot \text{s}^{-2}$$\text{ft}\cdot \text{s}^{-2}$$\text{gal}$
jerk$LT^{-3}$$\text{m}\cdot \text{s}^{-3}$$\text{ft}\cdot \text{s}^{-3}$$\text{ft}\cdot \text{s}^{-3}$$\text{cm}\cdot \text{s}^{-3}$
snap$LT^{-4}$$\text{m}\cdot \text{s}^{-4}$$\text{ft}\cdot \text{s}^{-4}$$\text{ft}\cdot \text{s}^{-4}$$\text{cm}\cdot \text{s}^{-4}$
crackle$LT^{-5}$$\text{m}\cdot \text{s}^{-5}$$\text{ft}\cdot \text{s}^{-5}$$\text{ft}\cdot \text{s}^{-5}$$\text{cm}\cdot \text{s}^{-5}$
pop$LT^{-6}$$\text{m}\cdot \text{s}^{-6}$$\text{ft}\cdot \text{s}^{-6}$$\text{ft}\cdot \text{s}^{-6}$$\text{cm}\cdot \text{s}^{-6}$
volume flow$L^{3}T^{-1}$$\text{m}^{3}\text{s}^{-1}$$\text{ft}^{3}\text{s}^{-1}$$\text{ft}^{3}\text{s}^{-1}$$\text{cm}^{3}\text{s}^{-1}$
etendue$L^{2}A^{2}$$\text{m}^{2}$$\text{ft}^{2}$$\text{ft}^{2}\text{rad}^{2}$$\text{cm}^{2}$
photon intensity$T^{-1}A^{-2}$$\text{Hz}$$\text{Hz}$$\text{s}^{-1}\text{rad}^{-2}$$\text{Hz}$
photon irradiance$L^{-2}T$$\text{Hz} \cdot \text{m}^{-2}$$\text{ft}^{-2}\text{s}$$\text{ft}^{-2}\text{s}$$\text{Hz} \cdot \text{m}^{-2}$
photon radiance$L^{-2}TA^{-2}$$\text{Hz} \cdot \text{m}^{-2}$$\text{ft}^{-2}\text{s}$$\text{ft}^{-2}\text{s}\cdot \text{rad}^{-2}$$\text{Hz} \cdot \text{m}^{-2}$

Mechanical

UnifiedMetricBritishEnglishGauss
inertia$FL^{-1}T^{2}$$\text{kg}$$\text{slug}$$\text{lbf}\cdot \text{ft}^{-1}\text{s}^{2}$$\text{g}$
mass$M$$\text{kg}$$\text{slug}$$\text{lbm}$$\text{g}$
mass flow$MT^{-1}$$\text{J} \cdot \text{m}^{-2} \cdot \text{Hz}^{-1}$$\text{lb}\cdot \text{ft}^{-1}\text{s}$$\text{lbm}\cdot \text{s}^{-1}$$\text{erg} \cdot \text{cm}^{-2} \cdot \text{Hz}^{-1}$
linear density$ML^{-1}$$\text{kg}\cdot \text{m}^{-1}$$\text{lb}\cdot \text{ft}^{-2}\text{s}^{2}$$\text{lbm}\cdot \text{ft}^{-1}$$\text{g}\cdot \text{cm}^{-1}$
area density$ML^{-2}$$\text{kg}\cdot \text{m}^{-2}$$\text{lb}\cdot \text{ft}^{-3}\text{s}^{2}$$\text{lbm}\cdot \text{ft}^{-2}$$\text{g}\cdot \text{cm}^{-2}$
density$ML^{-3}$$\text{kg}\cdot \text{m}^{-3}$$\text{slug} \cdot \text{ft}^{-3}$$\text{lbm}\cdot \text{ft}^{-3}$$\text{g}\cdot \text{cm}^{-3}$
specific weight$FL^{-3}$$\text{kg}\cdot \text{m}^{-2}\text{s}^{-2}$$\text{lb}\cdot \text{ft}^{-3}$$\text{lbf}\cdot \text{ft}^{-3}$$\text{g}\cdot \text{cm}^{-2}\text{s}^{-2}$
specific volume$M^{-1}L^{3}$$\text{kg}^{-1}\text{m}^{3}$$\text{lb}^{-1}\text{ft}^{4}\text{s}^{-2}$$\text{lbm}^{-1}\text{ft}^{3}$$\text{g}^{-1}\text{cm}^{3}$
force$F$$\text{N}$$\text{lb}$$\text{lbf}$$\text{dyn}$
specific force$FM^{-1}$$\text{m}\cdot \text{s}^{-2}$$\text{ft}\cdot \text{s}^{-2}$$\text{g}_0$$\text{gal}$
gravity force$F^{-1}MLT^{-2}$$\mathbb{1}$$\mathbb{1}$$\text{lbf}^{-1}\text{lbm}\cdot \text{ft}\cdot \text{s}^{-2}$$\mathbb{1}$
pressure$FL^{-2}$$\text{Pa}$$\text{lb}\cdot \text{ft}^{-2}$$\text{lbf}\cdot \text{ft}^{-2}$$\text{Ba}$
compressibility$F^{-1}L^{2}$$\text{Pa}^{-1}$$\text{lb}^{-1}\text{ft}^{2}$$\text{lbf}^{-1}\text{ft}^{2}$$\text{Ba}^{-1}$
viscosity$FL^{-2}T$$\text{Pa} \cdot \text{s}$$\text{lb}\cdot \text{ft}^{-2}\text{s}$$\text{lbf}\cdot \text{ft}^{-2}\text{s}$$\text{P}$
diffusivity$L^{2}T^{-1}$$\text{m}^{2}\text{s}^{-1}$$\text{ft}^{2}\text{s}^{-1}$$\text{ft}^{2}\text{s}^{-1}$$\text{St}$
rotational inertia$ML^{2}$$\text{kg}\cdot \text{m}^{2}$$\text{lb}\cdot \text{ft}\cdot \text{s}^{2}$$\text{lbm}\cdot \text{ft}^{2}$$\text{g}\cdot \text{cm}^{2}$
impulse$FT$$\text{N} \cdot \text{s}$$\text{lb}\cdot \text{s}$$\text{lbf}\cdot \text{s}$$\text{dyn} \cdot \text{s}$
momentum$MLT^{-1}$$\text{N} \cdot \text{s}$$\text{lb}\cdot \text{s}$$\text{lbm}\cdot \text{ft}\cdot \text{s}^{-1}$$\text{dyn} \cdot \text{s}$
angular momentum$FLTA^{-1}$$\text{J} \cdot \text{s}$$\text{lb}\cdot \text{ft}\cdot \text{s}$$\text{lbf}\cdot \text{ft}\cdot \text{s}\cdot \text{rad}^{-1}$$\text{erg} \cdot \text{s}$
yank$MLT^{-3}$$\text{N} \cdot \text{s}^{-1}$$\text{lb}\cdot \text{s}^{-1}$$\text{lbm}\cdot \text{ft}\cdot \text{s}^{-3}$$\text{dyn} \cdot \text{s}^{-1}$
energy$FL$$\text{J}$$\text{lb}\cdot \text{ft}$$\text{lbf}\cdot \text{ft}$$\text{erg}$
specific energy$FM^{-1}L$$\text{J} \cdot \text{kg}^{-1}$$\text{ft}^{2}\text{s}^{-2}$$\text{lbf}\cdot \text{lbm}^{-1}\text{ft}$$\text{erg} \cdot \text{g}^{-1}$
action$FLT$$\text{J} \cdot \text{s}$$\text{lb}\cdot \text{ft}\cdot \text{s}$$\text{lbf}\cdot \text{ft}\cdot \text{s}$$\text{erg} \cdot \text{s}$
fluence$FL^{-1}$$\text{N} \cdot \text{m}^{-1}$$\text{lb}\cdot \text{ft}^{-1}$$\text{lbf}\cdot \text{ft}^{-1}$$\text{dyn} \cdot \text{cm}^{-1}$
power$FLT^{-1}$$\text{W}$$\text{lb}\cdot \text{ft}\cdot \text{s}^{-1}$$\text{lbf}\cdot \text{ft}\cdot \text{s}^{-1}$$\text{erg} \cdot \text{s}^{-1}$
power density$FL^{-2}T^{-1}$$\text{W} \cdot \text{m}^{-3}$$\text{lb}\cdot \text{ft}^{-2}\text{s}^{-1}$$\text{lbf}\cdot \text{ft}^{-2}\text{s}^{-1}$$\text{erg} \cdot \text{s}^{-1} \text{mL}^{-1}$
irradiance$FL^{-1}T^{-1}$$\text{W} \cdot \text{m}^{-2}$$\text{lb}\cdot \text{ft}^{-1}\text{s}^{-1}$$\text{lbf}\cdot \text{ft}^{-1}\text{s}^{-1}$$\text{erg} \cdot \text{s}^{-1} \text{cm}^{-2}$
radiance$FL^{-1}T^{-1}A^{-2}$$\text{W} \cdot \text{m}^{-2}$$\text{lb}\cdot \text{ft}^{-1}\text{s}^{-1}$$\text{lbf}\cdot \text{ft}^{-1}\text{s}^{-1}\text{rad}^{-2}$$\text{erg} \cdot \text{s}^{-1} \text{cm}^{-2}$
radiant intensity$FLT^{-1}A^{-2}$$\text{W}$$\text{lb}\cdot \text{ft}\cdot \text{s}^{-1}$$\text{lbf}\cdot \text{ft}\cdot \text{s}^{-1}\text{rad}^{-2}$$\text{erg} \cdot \text{s}^{-1}$
spectral flux$FT^{-1}$$\text{N} \cdot \text{s}^{-1}$$\text{lb}\cdot \text{s}^{-1}$$\text{lbf}\cdot \text{s}^{-1}$$\text{dyn} \cdot \text{s}^{-1}$
spectral exposure$FL^{-1}T$$\text{J} \cdot \text{m}^{-2} \cdot \text{Hz}^{-1}$$\text{lb}\cdot \text{ft}^{-1}\text{s}$$\text{lbf}\cdot \text{ft}^{-1}\text{s}$$\text{erg} \cdot \text{cm}^{-2} \cdot \text{Hz}^{-1}$
sound exposure$F^{2}L^{-4}T$$\text{kg}^{2}\text{m}^{-2}\text{s}^{-3}$$\text{lb}^{2}\text{ft}^{-4}\text{s}$$\text{lbf}^{2}\text{ft}^{-4}\text{s}$$\text{g}^{2}\text{cm}^{-2}\text{s}^{-3}$
impedance$FL^{-5}T$$\text{kg}\cdot \text{m}^{-4}\text{s}^{-1}$$\text{lb}\cdot \text{ft}^{-5}\text{s}$$\text{lbf}\cdot \text{ft}^{-5}\text{s}$$\text{g}\cdot \text{cm}^{-4}\text{s}^{-1}$
specific impedance$FL^{-3}T$$\text{kg}\cdot \text{m}^{-2}\text{s}^{-1}$$\text{lb}\cdot \text{ft}^{-3}\text{s}$$\text{lbf}\cdot \text{ft}^{-3}\text{s}$$\text{g}\cdot \text{cm}^{-2}\text{s}^{-1}$
admittance$F^{-1}L^{5}T^{-1}$$\text{kg}^{-1}\text{m}^{4}\text{s}$$\text{lb}^{-1}\text{ft}^{5}\text{s}^{-1}$$\text{lbf}^{-1}\text{ft}^{5}\text{s}^{-1}$$\text{g}^{-1}\text{cm}^{4}\text{s}$
compliance$M^{-1}T^{2}$$\text{m} \cdot \text{N}^{-1}$$\text{lb}^{-1}\text{ft}$$\text{lbm}^{-1}\text{s}^{2}$$\text{cm} \cdot \text{dyn}^{-1}$
inertance$ML^{-4}$$\text{kg}\cdot \text{m}^{-4}$$\text{lb}\cdot \text{ft}^{-5}\text{s}^{2}$$\text{lbm}\cdot \text{ft}^{-4}$$\text{g}\cdot \text{cm}^{-4}$

Electromagnetic

UnifiedMetricEMUESUGauss
charge$Q$$\text{C}$$\text{g}^{1/2}\text{cm}^{1/2}$$\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-1}$$\text{Mx}$
charge density$L^{-3}Q$$\text{m}^{-3}\text{C}$$\text{g}^{1/2}\text{cm}^{-5/2}$$\text{g}^{1/2}\text{cm}^{-3/2}\text{s}^{-1}$$\text{g}^{1/2}\text{cm}^{-3/2}\text{s}^{-1}$
linear charge density$L^{-1}Q$$\text{m}^{-1}\text{C}$$\text{g}^{1/2}\text{cm}^{-1/2}$$\text{g}^{1/2}\text{cm}^{1/2}\text{s}^{-1}$$\text{Mx} \cdot \text{cm}^{-1}$
exposure$M^{-1}Q$$\text{kg}^{-1}\text{C}$$\text{g}^{-1/2}\text{cm}^{1/2}$$\text{g}^{-1/2}\text{cm}^{3/2}\text{s}^{-1}$$\text{g}^{-1/2}\text{cm}^{3/2}\text{s}^{-1}$
mobility$FL^{3}T^{-1}Q^{-1}$$\text{m}^2 \text{s}^{-1} \text{V}^{-1}$$\text{g}^{1/2}\text{cm}^{7/2}\text{s}^{-3}$$\text{g}^{1/2}\text{cm}^{5/2}\text{s}^{-2}$$\text{g}^{1/2}\text{cm}^{5/2}\text{s}^{-2}$
current$T^{-1}Q$$\text{s}^{-1}\text{C}$$\text{Mx} \cdot \text{cm}^{-1}$$\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-2}$$\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-2}$
current density$L^{-2}T^{-1}Q$$\text{m}^{-2}\text{s}^{-1}\text{C}$$\text{g}^{1/2}\text{cm}^{-3/2}\text{s}^{-1}$$\text{g}^{1/2}\text{cm}^{-1/2}\text{s}^{-2}$$\text{g}^{1/2}\text{cm}^{-1/2}\text{s}^{-2}$
resistance$FLTQ^{-2}$$\Omega$$\text{cm}\cdot \text{s}^{-1}$$\text{cm}^{-1}\text{s}$$\text{cm}^{-1}\text{s}$
conductance$F^{-1}L^{-1}T^{-1}Q^{2}$$\text{S}$$\text{cm}^{-1}\text{s}$$\text{cm}\cdot \text{s}^{-1}$$\text{cm}\cdot \text{s}^{-1}$
resistivity$FL^{2}TQ^{-2}$$\Omega \cdot \text{m}$$\text{St}$$\text{s}$$\text{s}$
conductivity$F^{-1}L^{-2}T^{-1}Q^{2}$$\text{S} \cdot \text{m}^{-1}$$\text{Hz} \cdot \text{m}^{-2}$$\text{Hz}$$\text{Hz}$
capacitance$F^{-1}L^{-1}Q^{2}$$\text{F}$$\text{cm}^{-1}\text{s}^{2}$$\text{cm}$$\text{cm}$
inductance$FLT^{2}Q^{-2}$$\text{H}$$\text{cm}$$\text{cm}^{-1}\text{s}^{2}$$\text{cm}^{-1}\text{s}^{2}$
reluctance$F^{-1}L^{-1}T^{-2}Q^{2}RC^{-2}$$\text{H}^{-1}$$\text{cm}^{-1}$$\text{gal}$$\text{cm}^{-1}$
permeance$FLT^{2}Q^{-2}R^{-1}C^{2}$$\text{H}$$\text{cm}$$\text{cm}^{-1}\text{s}^{2}$$\text{cm}$
permittivity$F^{-1}L^{-2}Q^{2}R$$\text{F} \cdot \text{m}^{-1}$$\text{cm}^{-2}\text{s}^{2}$$\mathbb{1}$$\mathbb{1}$
permeability$FT^{2}Q^{-2}R^{-1}C^{2}$$\text{H} \cdot \text{m}^{-1}$$\mathbb{1}$$\text{cm}^{-2}\text{s}^{2}$$\mathbb{1}$
susceptibility$R^{-1}$$\mathbb{1}$$\mathbb{1}$$\mathbb{1}$$\mathbb{1}$
specific susceptibility$M^{-1}L^{3}A^{-1}R^{-1}$$\text{kg}^{-1}\text{m}^{3}$$\text{g}^{-1}\text{cm}^{3}$$\text{g}^{-1}\text{cm}^{3}$$\text{g}^{-1}\text{cm}^{3}$
demagnetizing factor$R$$\mathbb{1}$$\mathbb{1}$$\mathbb{1}$$\mathbb{1}$
vector potential$FTQ^{-1}C$$\text{Wb} \cdot \text{m}^{-1}$$\text{Mx} \cdot \text{cm}^{-1}$$\text{g}^{1/2}\text{cm}^{-1/2}$$\text{Mx} \cdot \text{cm}^{-1}$
electric potential$FLQ^{-1}$$\text{V}$$\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-2}$$\text{g}^{1/2}\text{cm}^{1/2}\text{s}^{-1}$$\text{Mx} \cdot \text{cm}^{-1}$
magnetic potential$T^{-1}QRC^{-1}$$\text{s}^{-1}\text{C}$$\text{Mx} \cdot \text{cm}^{-1}$$\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-2}$$\text{Mx} \cdot \text{cm}^{-1}$
electric field$FQ^{-1}$$\text{V} \cdot \text{m}^{-1}$$\text{g}^{1/2}\text{cm}^{1/2}\text{s}^{-2}$$\text{g}^{1/2}\text{cm}^{-1/2}\text{s}^{-1}$$\text{G}$
magnetic field$L^{-1}T^{-1}QRC^{-1}$$\text{m}^{-1}\text{s}^{-1}\text{C}$$\text{G}$$\text{g}^{1/2}\text{cm}^{1/2}\text{s}^{-2}$$\text{G}$
electric flux$FL^{2}Q^{-1}$$\text{V} \cdot \text{m}$$\text{g}^{1/2}\text{cm}^{5/2}\text{s}^{-2}$$\text{g}^{1/2}\text{cm}^{3/2}\text{s}^{-1}$$\text{Mx}$
magnetic flux$FLTQ^{-1}C$$\text{Wb}$$\text{Mx}$$\text{g}^{1/2}\text{cm}^{1/2}$$\text{Mx}$
electric displacement$L^{-2}QR$$\text{m}^{-2}\text{C}$$\text{g}^{1/2}\text{cm}^{-3/2}$$\text{g}^{1/2}\text{cm}^{-1/2}\text{s}^{-1}$$\text{G}$
magnetic flux density$FL^{-1}TQ^{-1}C$$\text{T}$$\text{G}$$\text{g}^{1/2}\text{cm}^{-3/2}$$\text{G}$
electric dipole moment$LQ$$\text{m}\cdot \text{C}$$\text{g}^{1/2}\text{cm}^{3/2}$$\text{g}^{1/2}\text{cm}^{5/2}\text{s}^{-1}$$\text{erg} \cdot \text{G}^{-1}$
magnetic dipole moment$L^{2}T^{-1}QA^{-1}C^{-1}$$\text{J} \cdot \text{T}^{-1}$$\text{erg} \cdot \text{G}^{-1}$$\text{g}^{1/2}\text{cm}^{7/2}\text{s}^{-2}$$\text{erg} \cdot \text{G}^{-1}$
electric polarizability$F^{-1}LQ^{2}$$\text{kg}^{-1}\text{s}^{2}\text{C}^{2}$$\text{cm}\cdot \text{s}^{2}$$\text{mL}$$\text{mL}$
magnetic polarizability$L^{3}A^{-1}R^{-1}$$\text{m}^{3}$$\text{mL}$$\text{mL}$$\text{mL}$
magnetic moment$FL^{2}TQ^{-1}C$$\text{Wb} \cdot \text{m}$$\text{erg} \cdot \text{G}^{-1}$$\text{g}^{1/2}\text{cm}^{3/2}$$\text{erg} \cdot \text{G}^{-1}$
specific magnetization$F^{-1}ML^{-2}T^{-1}QC^{-1}$$\text{m}^{-3}\text{s}\cdot \text{C}$$\text{g}^{1/2}\text{cm}^{-5/2}\text{s}$$\text{g}^{1/2}\text{cm}^{-3/2}$$\text{g}^{1/2}\text{cm}^{-5/2}\text{s}$
pole strength$LT^{-1}QA^{-1}C^{-1}$$\text{m}\cdot \text{s}^{-1}\text{C}$$\text{Mx}$$\text{g}^{1/2}\text{cm}^{5/2}\text{s}^{-2}$$\text{Mx}$

Thermodynamic

UnifiedMetricBritishEnglishGauss
temperature$Θ$$\text{K}$$^\circ\text{R}$$^\circ\text{R}$$\text{K}$
entropy$FLΘ^{-1}$$\text{J} \cdot \text{K}^{-1}$$\text{lb}\cdot \text{ft}\cdot ^\circ\text{R}^{-1}$$\text{lbf}\cdot \text{ft}\cdot ^\circ\text{R}^{-1}$$\text{erg} \cdot \text{K}^{-1}$
specific entropy$FM^{-1}LΘ^{-1}$$\text{J} \cdot \text{K}^{-1} \text{kg}^{-1}$$\text{ft}^{2}\text{s}^{-2}\cdot^\circ\text{R}^{-1}$$\text{lbf}\cdot \text{lbm}^{-1}\text{ft}\cdot ^\circ\text{R}^{-1}$$\text{erg} \cdot \text{K}^{-1} \text{g}^{-1}$
volume heat capacity$FL^{-2}Θ^{-1}$$\text{kg}\cdot \text{m}^{-1}\text{s}^{-2}\text{K}^{-1}$$\text{lb}\cdot \text{ft}^{-2}\cdot^\circ\text{R}^{-1}$$\text{lbf}\cdot \text{ft}^{-2}\cdot^\circ\text{R}^{-1}$$\text{g}\cdot \text{cm}^{-1}\text{s}^{-2}\text{K}^{-1}$
thermal conductivity$FT^{-1}Θ^{-1}$$\text{W} \cdot \text{m}^{-1} \text{K}^{-1}$$\text{lb}\cdot \text{s}^{-1}\cdot^\circ\text{R}^{-1}$$\text{lbf}\cdot \text{s}^{-1}\cdot^\circ\text{R}^{-1}$$\text{erg} \cdot \text{s}^{-1} \text{cm}^{-1} \text{K}^{-1}$
thermal conductance$FLT^{-1}Θ^{-1}$$\text{W} \cdot \text{K}^{-1}$$\text{lb}\cdot \text{ft}\cdot \text{s}^{-1}\cdot^\circ\text{R}^{-1}$$\text{lbf}\cdot \text{ft}\cdot \text{s}^{-1}\cdot^\circ\text{R}^{-1}$$\text{erg} \cdot \text{s}^{-1} \text{K}^{-1}$
thermal resistivity$F^{-1}TΘ$$\text{K} \cdot \text{m} \cdot \text{W}^{-1}$$\text{lb}^{-1}\text{s}\cdot ^\circ\text{R}$$\text{lbf}^{-1}\text{s}\cdot ^\circ\text{R}$$\text{K} \cdot \text{cm} \cdot \text{s} \cdot \text{erg}^{-1}$
thermal resistance$F^{-1}L^{-1}TΘ$$\text{K} \cdot \text{W}^{-1}$$\text{lb}^{-1}\text{ft}^{-1}\text{s}\cdot ^\circ\text{R}$$\text{lbf}^{-1}\text{ft}^{-1}\text{s}\cdot ^\circ\text{R}$$\text{K} \cdot \text{s} \cdot \text{erg}^{-1}$
thermal expansion$Θ^{-1}$$\text{K}^{-1}$$^\circ\text{R}^{-1}$$^\circ\text{R}^{-1}$$\text{K}^{-1}$
lapse rate$L^{-1}Θ$$\text{m}^{-1}\text{K}$$\text{ft}^{-1}\cdot^\circ\text{R}$$\text{ft}^{-1}\cdot^\circ\text{R}$$\text{cm}^{-1}\text{K}$

Molar

UnifiedMetricBritishEnglish
molar mass$MN^{-1}$$\text{kg}\cdot \text{mol}^{-1}$$\text{lb}\cdot \text{ft}^{-1}\text{s}^{2}\text{slug-mol}^{-1}$$\text{lbm}\cdot \text{lb-mol}^{-1}$
molality$M^{-1}N$$\text{kg}^{-1}\text{mol}$$\text{lb}^{-1}\text{ft}\cdot \text{s}^{-2}\text{slug-mol}$$\text{lbm}^{-1}\text{lb-mol}$
molar amount$N$$\text{mol}$$\text{slug-mol}$$\text{lb-mol}$
molarity$L^{-3}N$$\text{m}^{-3}\text{mol}$$\text{ft}^{-3}\text{slug-mol}$$\text{ft}^{-3}\text{lb-mol}$
molar volume$L^{3}N^{-1}$$\text{m}^{3}\text{mol}^{-1}$$\text{ft}^{3}\text{slug-mol}^{-1}$$\text{ft}^{3}\text{lb-mol}^{-1}$
molar entropy$FLΘ^{-1}N^{-1}$$\text{J} \cdot \text{K}^{-1} \text{mol}^{-1}$$\text{lb}\cdot \text{ft}\cdot ^\circ\text{R}^{-1}\text{slug-mol}^{-1}$$\text{lbf}\cdot \text{ft}\cdot ^\circ\text{R}^{-1}\text{lb-mol}^{-1}$
molar energy$FLN^{-1}$$\text{J} \cdot \text{mol}^{-1}$$\text{lb}\cdot \text{ft}\cdot \text{slug-mol}^{-1}$$\text{lbf}\cdot \text{ft}\cdot \text{lb-mol}^{-1}$
molar conductivity$F^{-1}T^{-1}Q^{2}N^{-1}$$\text{S} \cdot \text{m}^2 \text{mol}^{-1}$$\text{lb}^{-1}\text{s}^{-1}\text{C}^{2}\text{slug-mol}^{-1}$$\text{lbf}^{-1}\text{s}^{-1}\text{C}^{2}\text{lb-mol}^{-1}$
molar susceptibility$L^{3}N^{-1}A^{-1}R^{-1}$$\text{m}^{3}\text{mol}^{-1}$$\text{ft}^{3}\text{slug-mol}^{-1}$$\text{ft}^{3}\text{lb-mol}^{-1}\text{rad}^{-1}$
catalysis$T^{-1}N$$\text{kat}$$\text{s}^{-1}\text{slug-mol}$$\text{s}^{-1}\text{lb-mol}$
specificity$L^{3}T^{-1}N^{-1}$$\text{m}^{3}\text{s}^{-1}\text{mol}^{-1}$$\text{ft}^{3}\text{s}^{-1}\text{slug-mol}^{-1}$$\text{ft}^{3}\text{s}^{-1}\text{lb-mol}^{-1}$
diffusion flux$L^{-2}TN$$\text{m}^{-2}\text{s}\cdot \text{mol}$$\text{ft}^{-2}\text{s}\cdot \text{slug-mol}$$\text{ft}^{-2}\text{s}\cdot \text{lb-mol}$

Photometric

UnifiedMetricBritishEnglishGauss
luminous flux$J$$\text{cd}$$\text{cd}$$\text{lm}$$\text{cd}$
luminous intensity$JA^{-2}$$\text{cd}$$\text{cd}$$\text{cd}$$\text{cd}$
luminance$L^{-2}JA^{-2}$$\text{lx}$$\text{fc}$$\text{ft}^{-2}\text{lm}\cdot \text{rad}^{-2}$$\text{ph}$
illuminance$L^{-2}J$$\text{lx}$$\text{fc}$$\text{fc}$$\text{ph}$
luminous energy$TJ$$\text{s}\cdot \text{lm}$$\text{s}\cdot \text{lm}$$\text{s}\cdot \text{lm}$$\text{s}\cdot \text{lm}$
luminous exposure$L^{-2}TJ$$\text{lx} \cdot \text{s}$$\text{ft}^{-2}\text{s}\cdot \text{lm}$$\text{ft}^{-2}\text{s}\cdot \text{lm}$$\text{cm}^{-2}\text{s}\cdot \text{lm}$
luminous efficacy$F^{-1}L^{-1}TJ$$\text{lm} \cdot \text{W}^{-1}$$\text{lb}^{-1}\text{ft}^{-1}\text{s}\cdot \text{lm}$$\text{lbf}^{-1}\text{ft}^{-1}\text{s}\cdot \text{lm}$$\text{lm} \cdot \text{s} \cdot \text{erg}^{-1}$