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SI stands for theInternational System of Units. They are called "SI" units because in French, International System of Units is written Système International d'Unités.

SI Base Units

  • Length: meter (metre, m)
  • Mass: kilogram (kg)
  • Time: second (s)
  • Electric current: ampere (A)
  • Thermodynamic temperature: Kelvin (K)
  • Amount of substance: mole (mol)
  • Luminous intensity: candela (CD)

Some Derived SI Units :-The name of the unit and its symbol(s) is listed for each.

  • Area: square meter (m2)
  • Volume: cubic meter (m3) and liter (litre, L) (1 m3 = 1000 L)
  • Frequency: Hertz (Hz, s-1)
  • Density: kilogram per cubic meter (kg/m3) or gram per mL (g/mL) (1000 kg/m3 = 1 g/mL)
  • Velocity or Speed: meter per second (m/s)
  • Angular Velocity: radian per second (rad/s)
  • Angular Displacement: radian (rad)
  • Acceleration: meter per second per second (m/s2)
  • Force: newton (N, kg .m/s2)
  • Torque:newton meter (Nm)
  • Pressure: pascal (P, N/m2)
  • Work, Energy, Heat: joule (J, N . m)
  • Power: watt (W, J/s)
  • Electric Charge: coulomb (C, A . s)
  • Potential difference: volt (V, W/A, J/C)
  • Electric Field: volt per meter or newton per coulomb (V/m, N/C)
  • Electric Resistance: ohm (Greek letter Omega, V/A)
  • Electrical conductivity: siemen (S, 1/R)
  • Capacitance: farad (F, A .s/V)
  • Magnetic Flux: weber (Wb, V .s)
  • Inductance: Henry (H, W .s/A)
  • Magnetic Flux Density: tesla (T, Wb/m2)
  • Magnetic Field Strength: ampere per meter (A/m)
  • Entropy: joule per kelvin (J/K)
  • Specific Heat: joule per kilogram kelvin (J/(kg . K))
  • Thermal Conductivity: watt per meter kelvin (W/(m . K))
  • Radiant Intensity: watt per steradian (W/sr)

*Use the related Links below this answer to get more information about SI units, including prefixes and other related units.

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11y ago

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Related Questions

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