SI Units


  • second (s) – time

  • meter (m) – length

  • kilogram (kg) – mass

  • ampere (A) – electric current

  • kelvin (K) – temperature

  • mole (mol) – amount of substance

  • candela (cd) – luminous intensity

  • newton (N) – force

  • joule (J) – energy, work

  • watt (W) – power

  • pascal (Pa) – pressure

  • hertz (Hz) – frequency

  • coulomb (C) – electric charge

  • volt (V) – electric potential

  • ohm (Ω) – resistance

  • farad (F) – capacitance

  • henry (H) – inductance

  • weber (Wb) – magnetic flux

  • tesla (T) – magnetic field strength

  • siemens (S) – conductance

  • becquerel (Bq) – radioactivity (decays/sec)

  • gray (Gy) – absorbed dose

  • sievert (Sv) – dose equivalent (biological effect)

  • katal (kat) – enzyme activity

  • radian (rad) – plane angle

  • steradian (sr) – solid angle

  • lumen (lm) – luminous flux

  • lux (lx) – illuminance

  • m/s – speed

  • m/s² – acceleration

  • kg/m³ – density

  • J/K – entropy

  • mol/m³ – concentration