PhyCalc - dimensions

calculator - dimensions

The table below shows all the units the calculator can handle. Click on a heading to sort a column.
nameunit symbolquantityin base SI units (+ radians)commonly used formula symbols
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dimensionless
kilogramkgmasskgm
metermlengthml
secondstimest
ampereAelectric currentAI
kelvinKthermodynamic temperatureKT
molemolamount of substancemoln
candelacdluminous intensitycdIV
radianradangleradθ, φ
steradiansrsolid anglerad‌2
degree Celsiusthermodynamic temperatureK
particles per mole1/molNumber density, molar mol‌-1
radian per meterrad/mcurvaturem‌-1·rad
newton per meterN/msurface tensionkg·s‌-2
kilogram per secondkg/smass flowkg·s‌-1
mole per cubic metermol/m‌3concentration or molar concentrationm‌-3·mol
mole per kilogrammol/kgmolaritykg‌-1·mol
kilogram per molekg/molmolar masskg·mol‌-1
kelvin kilogram per moleK·kg/moldimension of Ebullioscopic constantkg·K·mol‌-1Kb
kelvin per meterK/mtemperature gradient or thermal gradientm‌-1·K
meter cubed per molem‌3/molmolar volumem‌3·mol‌-1
meter secondm·sabsementm·sA
meter squared secondm·s‌2absitym·s‌2
meter cubed secondm·s‌3abselerationm·s‌3
meter quartic secondm·s‌4abserkm·s‌4
meter quintic secondm·s‌5absouncem·s‌5
hertzHzfrequencys‌-1f
reciprocal meterm‌-1wavenumberm‌-1σ, ṽ
reciprocal meterm‌-1placementm‌-1
kilogram per second per square meter per pascalkg/(s·m‌2·Pa)water vapor permeancem‌-1·s
second per meters/mpresementm‌-1·s
squared second per meters‌2/mpresitym‌-1·s‌2
cubed second per meters‌3/mpreselerationm‌-1·s‌3
square meterm‌2aream‌2A
cubic meterm‌3volumem‌3V
reciprocal cubic meterm‌-3volume number densitym‌-3n
newtonNforce, weightkg·m·s‌-2F
pascalPapressure, stresskg·m‌-1·s‌-2P
reciprocal pascalPa‌-1compressibility or bulk modulus or compression moduluskg‌-1·m·s‌2
joules per meter cubedJ/m‌3energy densitykg·m‌-1·s‌-2Ed
pascal per meterPa/mpressure gradientkg·m‌-2·s‌-2
pascal secondPa·sdynamic viscositykg·m‌-1·s‌-1η
Newton second per meter to the fifthN·s/m‌5fluid (hydraulic) resistance/impedancekg·m‌-4·s‌-1η
reciprocal pascal second(Pa·s)‌-1fluiditykg‌-1·m·sφ
jouleJenergy, work, heatkg·m‌2·s‌-2E, W
jouleJenthalpykg·m‌2·s‌-2H
watt per hertzW/Hzpower spectral densitykg·m‌2·s‌-2E, W
joule per moleJ/molmolar energykg·m‌2·s‌-2·mol‌-1W
siemens square meter per moleS·m‌2/molmolar conductivitykg‌-1·s‌3·A‌2·mol‌-1Λ
newton meterNmtorque, moment of forcekg·m‌2·s‌-2·rad‌-1τ
newton meter per secondNm/srotatumkg·m‌2·s‌-3·rad‌-1P
newton meter per radianNm/radrotational stiffnesskg·m‌2·s‌-2·rad‌-2
newton radiansN·radcentrifugal forcekg·m·s‌-2·radFc
newton per squareroot wattN/√Wlinear motor constantkg‌0.5·s‌-0.5KM
wattWpowerkg·m‌2·s‌-3P
volt ampere reactiveVARreactive powerkg·m‌2·s‌-3Q
volt ampereVAapparent powerkg·m‌2·s‌-3S
Kelvin per wattK/Wthermal resistancekg‌-1·m‌-2·s‌3·Kθ
kelvin per pascalK/PaJoule–Thomson (Kelvin) coefficientkg‌-1·m·s‌2·K
watt per steradianW/srradiant intensitykg·m‌2·s‌-3·rad‌-2Ie
watt per steradian-hertzW/(sr·Hz)radiant intensity per unit frequencykg·m‌2·s‌-2·rad‌-2
watt per steradian-meterW/(sr·m)radiant intensity per unit wavelengthkg·m·s‌-3·rad‌-2
watt per steradian per square metre per hertzW/(sr·m‌2·Hz)radiance of a surface per unit frequencykg·s‌-2·rad‌-2
watt per steradian per cubedW/(sr·m‌3)radiance of a surface per unit wavelengthkg·m‌-1·s‌-3·rad‌-2
watt per square meter steradianW/(m‌2·sr)radiancekg·s‌-3·rad‌-2Le,Ω
watt per squere meter per quartic kelvinW/(m‌2·K‌4)dimension of Stefan–Boltzmann constantkg·s‌-3·K‌-4σ
joules per squere cubed per quartic kelvinJ/(m‌3·K‌4)dimension of radiation constantkg·m‌-1·s‌-2·K‌-4a
coulombCelectric charge or quantity of electricitys·AQ, q
coulomb meterC·melectric dipole momentm·s·Ap
coulomb per meterC/mlinear charge densitym‌-1·s·Aλq
coulomb per square meterC/m‌2electric flux densitym‌-2·s·AD
coulomb per square meterC/m‌2polarization densitym‌-2·s·AP
particles per meter squared per secondm‌-2·s‌-1particle flux densitym‌-2·s‌-1
coulomb per cubic meterC/m‌3electric charge densitym‌-3·s·AρV
coulomb per kilogramC/kgradiation exposure (x- and γ -rays)kg‌-1·s·A
coulomb per kilogram secondC/(kg·s)radiation exposure ratekg‌-1·A
voltVvoltage, electrical potential difference, electromotive forcekg·m‌2·s‌-3·A‌-1V
volt per secondV/svoltage change ratekg·m‌2·s‌-4·A‌-1
volt per squareroot hertzV/√Hzvoltage noisekg·m‌2·s‌-2.5·A‌-1vn
volt squared per hertzV‌2/Hzvoltage noise power spectral densitykg‌2·m‌4·s‌-5·A‌-2Sv
volt per meterV/melectric field (E field) strengthkg·m·s‌-3·A‌-1E, ξ
volt meterV·melectric fluxkg·m‌3·s‌-3·A‌-1Φ
volt second per radianV·s/radrotational back EMF constantkg·m‌2·s‌-2·A‌-1·rad‌-1KV
volt second per meterV·s/mlinear back EMF constantkg·m·s‌-2·A‌-1KV
volt per degree kelvinV/Kthermal electromotive forcekg·m‌2·s‌-3·A‌-1·K‌-1
ampere per squareroot hertzA/√Hzelectric current noises‌0.5·Ain
ampere squared per hertzA‌2/Hzelectric current noise power spectral densitys·A‌2Si
ampere squared secondA‌2·s(I‌2t) fuse pulse ratings·A‌2
ampere meter squaredA·m‌2magnetic momentm‌2·Am
faradFelectrical capacitancekg‌-1·m‌-2·s‌4·A‌2C
ohmelectrical resistance, impedance, reactancekg·m‌2·s‌-3·A‌-2R
ohm meterΩ·mresistivitykg·m‌3·s‌-3·A‌-2ρ
siemensSelectrical conductancekg‌-1·m‌-2·s‌3·A‌2G
siemensSadmittancekg‌-1·m‌-2·s‌3·A‌2Y
siemens per meterS/melectrical conductivitykg‌-1·m‌-3·s‌3·A‌2γ, σ
weberWbmagnetic fluxkg·m‌2·s‌-2·A‌-1Φ
teslaTmagnetic field strength (B-field), magnetic flux densitykg·s‌-2·A‌-1B
meter squared per voltage secondm‌2/(V·s)carrier (electron or hole) mobilitykg‌-1·s‌2·Aμ
henryHinductancekg·m‌2·s‌-2·A‌-2L
reciprocal henryH‌-1magnetic reluctancekg‌-1·m‌-2·s‌2·A‌2R
webers per ampereWb/Apermeancekg·m‌2·s‌-2·A‌-2P
lumenlmluminous fluxcd·rad‌2ΦV
lumen per wattlm/Wluminous efficacykg‌-1·m‌-2·s‌3·cd·rad‌2η
lumen secondlm·sluminous energys·cd·rad‌2QV
lumen second per cubic meterlm·s/m‌3luminous energy densitym‌-3·s·cd·rad‌2ωV
luxlxilluminancem‌-2·cd·rad‌2EV
lux secondlx·sluminous exposurem‌-2·s·cd·rad‌2HV
candela per square metercd/m‌2luminancem‌-2·cdLV
becquerelBqactivity referred to a radionuclides‌-1A
becquerel per kilogramBq/kgspecific activitykg‌-1·s‌-1a
becquerel per cubic meterBq/m‌3radioactive concentrationm‌-3·s‌-1
grayGyabsorbed dose (of ionizing radiation)m‌2·s‌-2D
gray per secondGy/sabsorbed dose (of ionizing radiation) ratem‌2·s‌-3
sievertSvequivalent dose (of ionizing radiation)m‌2·s‌-2
joules per kilogramJ/kgspecific energym‌2·s‌-2Es
joules per kilogramJ/kgspecific enthalpym‌2·s‌-2h
meter squared per secondm‌2/skinematic viscosity, diffusion coefficientm‌2·s‌-1ν
katalkatcatalytic activitys‌-1·mol
katal per cubic meterkat/m‌3catalytic activity concentrationm‌-3·s‌-1·mol
kilogram metre squaredkg·m‌2moment of inertiakg·m‌2I, J
NmsNmsangular momentumkg·m‌2·s‌-1·rad‌-2L
joule per hertzJ/Hzenergy spectral densitykg·m‌2·s‌-1
joule secondJ·sactionkg·m‌2·s‌-1
meters cubed per kilogram per second squaredN·m‌2·kg‌-2unit for gravitational constantkg‌-1·m‌3·s‌-2G
radians per secondrad/sangular velocity, speed of rotations‌-1·radω
radians per second squaredrad/s‌2angular accelerations‌-2·radα
radians per cubic secondrad/s‌3angular jerks‌-3·radζ
joules per kelvinJ/Kheat capacity, entropykg·m‌2·s‌-2·K‌-1C, S
joules per mole-kelvinJ/(mol·K)molar heat capacitykg·m‌2·s‌-2·K‌-1·mol‌-1Cm
joules per kilogram kelvinJ/(kg·K)specific heat capacity, specific entropym‌2·s‌-2·K‌-1s
ampere per square meterA/m‌2current densitym‌-2·AJ
meter per secondm/sspeed, velocitym·s‌-1v
cubic meter per secondm‌3/svolumetric flowm‌3·s‌-1Q
cubic meter per second squaredm‌3/s‌2volumetric flow accelerationm‌3·s‌-2
meter per second squaredm/s‌2accelerationm·s‌-2a
newton per kilogramN/kggravitational field strengthm·s‌-2γ
meter per second cubedm/s‌3jerk, joltm·s‌-3
meter per quartic secondm/s‌4jounce, snapm·s‌-4s
meter per quintic secondm/s‌5cracklem·s‌-5c
meter per hexic secondm/s‌6popm·s‌-6p
cubic meter per kilogramm‌3/kgspecific volumekg‌-1·m‌3v
kilogram per cubic meterkg/m‌3density, mass density, mass concentrationkg·m‌-3ρ, γ
kilogram per square meterkg/m‌2surface densitykg·m‌-2ρA
kilogram per meterkg/mlinear densitykg·m‌-1
kilogram per square meter per secondkg/(m‌2·s)mass fluxkg·m‌-2·s‌-1
ampere per meterA/mmagnetic field (H-field) strengthm‌-1·AH
farad per meterF/mpermittivitykg‌-1·m‌-3·s‌4·A‌2ε
henry per meterH/mpermeabilitykg·m·s‌-2·A‌-2μ
watt per meter squaredW/m‌2heat flux densitykg·s‌-3
watt per meter squaredW/m‌2radiositykg·s‌-3Je
joules per meter squaredJ/m‌2radiant exposure, fluencekg·s‌-2He
watt per cubic meterW/m‌3power densitykg·m‌-1·s‌-3
watt per kilogramW/kgspecific power densitym‌2·s‌-3
watt per meter squared kelvinW/(m‌2·K)heat transfer coefficientkg·s‌-3·K‌-1h
watt per meter kelvinW/(m·K)thermal conductivitykg·m·s‌-3·K‌-1λ, k
meter kelvin per wattm·K/Wthermal resistivitykg‌-1·m‌-1·s‌3·K
Joules meter squared per kilogramJ·m‌2/kgmass stopping powerm‌4·s‌-2
newton secondN·smomentum, impulsekg·m·s‌-1I
newton per secondN/syankkg·m·s‌-3Y
newton per squared secondN/s‌2tugkg·m·s‌-4T
newton per cubed secondN/s‌3snatchkg·m·s‌-5S
newton per quartic secondN/s‌4shakekg·m·s‌-6Sh