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Units used in physics (fundamental units in bold)
Quantity Common Symbol Unit Unit in Terms of Base SI Units
Acceleration a m/s 2 m/s 2
Amount of substance n mole mol
Angle θ , ϕ radian (rad)
Angular acceleration α rad/s 2 s −2
Angular frequency ω rad/s s −1
Angular momentum L kg · m 2 /s kg · m 2 /s
Angular velocity ω rad/s s −1
Area A m 2 m 2
Atomic number Z
Capacitance C farad (F) A 2 · s 4 / kg · m 2
Charge q, Q, e coulomb (C) A · s
Charge density:
    Line λ C/m A · s/m
    Surface σ C/m 2 A · s/m 2
    Volume ρ C/m 3 A · s/m 3
Conductivity σ 1/ Ω · m A 2 · s 3 /kg · m 3
Current I ampere A
Current density J A/m 2 A/m 2
Density ρ kg/m 3 kg/m 3
Dielectric constant κ
Electric dipole moment p C · m A · s · m
Electric field E N/C kg · m/A · s 3
Electric flux Φ N · m 2 / C kg · m 3 /A · s 3
Electromotive force ε volt (V) kg · m 2 /A · s 3
Energy E,U,K joule (J) kg · m 2 /s 2
Entropy S J/K kg · m 2 /s 2 · K
Force F newton (N) kg · m/s 2
Frequency f hertz (Hz) s −1
Heat Q joule (J) kg · m 2 /s 2
Inductance L henry (H) kg · m 2 /A 2 · s 2
Length: , L meter m
    Displacement Δ x , Δ r
    Distance d, h
    Position x , y , z , r
Magnetic dipole moment μ N · J/T A · m 2
Magnetic field B tesla ( T ) = ( Wb/m 2 ) kg/A · s 2
Magnetic flux Φ m weber (Wb) kg · m 2 /A · s 2
Mass m, M kilogram kg
Molar specific heat C J/mol · K kg · m 2 /s 2 · mol · K
Moment of inertia I kg · m 2 kg · m 2
Momentum p kg · m/s kg · m/s
Period T s s
Permeability of free space μ 0 N/A 2 = ( H/m ) kg · m/A 2 · s 2
Permittivity of free space ε 0 C 2 /N · m 2 = ( F/m ) A 2 · s 4 /kg · m 3
Potential V volt ( V ) = ( J/C ) kg · m 2 /A · s 3
Power P watt ( W ) = ( J/s ) kg · m 2 /s 3
Pressure p pascal ( Pa ) = ( N/m 2 ) kg/m · s 2
Resistance R ohm ( Ω ) = ( V/A ) kg · m 2 /A 2 · s 3
Specific heat c J/kg · K m 2 /s 2 · K
Speed ν m/s m/s
Temperature T kelvin K
Time t second s
Torque τ N · m kg · m 2 /s 2
Velocity v m/s m/s
Volume V m 3 m 3
Wavelength λ m m
Work W joule ( J ) = ( N · m ) kg · m 2 /s 2

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Source:  OpenStax, University physics volume 1. OpenStax CNX. Sep 19, 2016 Download for free at http://cnx.org/content/col12031/1.5
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