SI Units
Commonly Used Units for Electronics
Physical Quantity | SI Unit | SI Abbreviation | Symbol in equation |
Capacitance | farad | F | C |
Charge (electric) | coulomb | C | q |
Conductance (electrical) | siemens | S | G |
Current (electric) | ampere | A | I |
Energy, Work, Heat | joule | J | E, W, Q |
Flux (magnetic) | weber | Wb | Φ |
Inductance (electrical) | henry | H | L |
Induction (magnetic) | tesla | T | B |
Magnetic flux | weber | Wb | Φ |
Resistance (electrical) | ohm | Ω | R |
Power | watt | W | P |
Voltage | volt | V | V` |
Complete SI Unit List
Physical Quantity | SI Unit | SI Abbreviation | Symbol in equation |
Amount of Substance | mol | mol | n |
Angle | radian | rad | rad |
Capacitance | farad | F | C |
Catalytic Activity | katal | kat | kat |
Charge (electric) | coulomb | C | q |
Conductance (electrical) | siemens | S | G |
Current (electric) | ampere | A | I |
Energy, Work, Heat | joule | J | E, W, Q |
Flux (magnetic) | weber | Wb | Φ |
Frequency | hertz | Hz | f |
Illuminance | lux | lx | Ev |
Inductance (electrical) | henry | H | L |
Induction (magnetic) | tesla | T | B |
Length | meter | m | r(x,y,z) |
Luminous intensity | candela | cd | Iv |
Luminous flux | lumen | lm | Φv |
Magnetic flux | weber | Wb | Φ |
Mass | kilogram | kg | m |
Pressure | pascal | Pa | P |
Radioactivity | becquerel | Bq | dN/N |
Resistance (electrical) | ohm | Ω | R |
Solid Angle | steradian | sr | Ω |
Temperature | kelvin | K | T |
Time | second | s | t |
Power | watt | W | P |
Voltage | volt | V | V` |