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Derived S.I.Units
| Physical quantity | Name | Symbol | Derivation |
| force | newton | N | (kg m) / s2 |
| power | watt | W | ( kg m2 ) / s3 |
| energy | joule | J | ( kg m2 ) / s2 |
| pressure | pascal | Pa | kg / (m s2 ) |
| electric charge | coulomb | C | A s |
| electric potential difference | volt | V | ( kg m2 ) / (A s3) |
| electric resistance | ohm | W | ( kg m2 ) / (A2 s3) |
| electric conductance | siemens | S | ( A2 s3 ) / (kg m2) |
| electric capacitance | farad | F | ( A2 s4) / (kg m2) |
| magnetic flux | weber | Wb | ( kg m2 ) / (A s2) |
| inductance | henry | H | ( kg m2 ) / ( A2 s2) |
| magnetic flux density (magnetic induction) | tesla | T | kg / (A s2) |
| luminous flux | lumen | lm | cd sr |
| illuminance | lux | lx | ( cd sr ) /m2 |
| absorbed dose | gray | Gy | m2 / s2 |
| activity | becquerel | Bq | 1 / s |
| dose equivalent | sievert | Sv | m2 / s2 |
| acceralation | - | - | m / s2 |
| angular Velocity | - | - | rad/s |
| area | - | - | m2 |
| current density | - | - | A / m2 |
| density | - | - | kg m2 |
| dynamic viscosity | pascal second | - | Pa s |
| electric charge density | coulomb/ metre2 | - | C / m2 |
| electric field strength | volt /metre | - | V / m |
| energy density | joule / metre3 | - | J / m3 |
| heat capacity | joule / kelvin | - | J / K |
| heat flux density | watt /metre2 | - | W / m2 |
| kinematic viscosity | metre2 / s | - | m2 / s |
| luminance | candela /metre2 | - | cd / m2 |
| magnetic field strength | ampere /metre | - | A / m |
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Last Updated 29/10/2000