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Si Derived Units Freeform TableSee also SI derived unit and SI derived units are units derived from the seven SI base units. Physical quantity Name of SI unit Symbol for SI unit Expression in terms of SI base units -------------------------------------------------------------------------------------------------------------------------------- Special names and Symbols -------------------------------------------------------------------------------------------------------------------------------- frequency hertz Hz s-1 force newton N m.kg.s-2 pressure, stress pascal Pa N.m-2 = m-1.kg.s-2 area are ??? m2 volume liter l 1000 l = m3 energy, work, heat joule J N.m = m2.kg.s-2 power, radiant flux watt W J.s-1 = m2.kg.s-3 electric charge coulomb C A.s electric potential, electromotive force volt V J.C-1 = m2.kg.s-3.A-1 electric resistance ohm W V.A-1 = m2.kg.s-3.A-2 electric conductance siemens S A.V-1 = m-2.kg-1.s3.A2 electric capacitance farad F C.V-1 = m-2.kg-1.s4.A2 magnetic flux density tesla T V.s.m-2 = kg.s-2.A-1 magnetic flux weber Wb V.s = m2.kg.s-2.A-1 inductance henry H V.A-1.s = m2.kg.s-2.A-2 temperature degree Celsius oC K plane angle radian rad 1 = m.m-1 solid angle steradian sr 1 = m2.m-2 luminous flux lumen lm cd.sr illuminance lux lx cd.sr.m-2 activity (radioactive) becquerel Bq s-1 absorbed dose (of radiation) gray Gy J.kg-1 = m2.s-2 dose equivalent (dose equivalent index) sievert Sv J.kg-1 = m2.s-2 -------------------------------------------------------------------------------------------------------------------------------- Other Quantities -------------------------------------------------------------------------------------------------------------------------------- area m2 volume m3 speed, velocity m.s-1 angular velocity s-1, rad.s-1 acceleration m.s-2 moment of force N.m = m2.kg.s-2 wavenumber m-1 density, mass density kg.m-3 specific volume m3.kg-1 amount (-of-substance) concentration mol.m-3 molar volume m3.mol-1 heat capacity, entropy J.K-1 = m2.kg.s-2.K-1 molar heat capacity, molar entropy J.K-1.mol-1 = m2.kg.s-2.K-1.mol-1 specific heat capacity, specific entropy J.K-1.kg-1 = m2.s-2.K-1 molar energy J.mol-1 = m2.kg.s-2.mol-1 specific energy J.kg-1 = m2.s-2 energy density J.m-3 = m-1.kg.s-2 surface tension N.m-1=J.m-2 = kg.s-2 heat flux density, irradiance W.m-2 = kg.s-3 thermal conductivity W.m-1.K-1 = m.kg.s-3.K-1 kinematic viscosity, diffusion coefficient m2.s-1 dynamic viscosity N.s.m-2 = Pa.s = m-1.kg.s-1 electric charge density C.m-3 m-3.s.A electric current density A.m-2 conductivity S.m-1 = m-3.kg-1.s3.A2 molar conductivity S.m2.mol-1 = kg-1.mol-1.s3.A2 permittivity F.m-1 = m-3.kg-1.s4.A2; permeability H.m-1 = m.kg.s-2.A-2 electric field strength V.m-1 = m.kg.s-3.A-1 magnetic field strength A.m-1 luminance cd.m-2 exposure (X and gamma rays) C.kg-1 = kg-1.s.A absorbed dose rate Gy.s-1 = m2.s-3
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