SI/MKS
Table of Contents
SI/MKS System of Unit Table
- Abbreviation: SI or International System of Units; MKS or metre, kilogram, second.
SI Base Units
- These are the building blocks for units derived from them.
| Quantity | Unit | Symbol |
|---|---|---|
| time (t) | second | s |
| length (l) | metre | m |
| mass (m) | kilogram | kg |
| electric current (I) | ampere | A |
| thermodynamic temperature (T) | kelvin | K |
| amount of substance (n) | mole | mol |
| luminous intensity (\(I_v\)) | candela | cd |
Common Units
| Quantity | Unit | Symbol |
|---|---|---|
| distance (d), length (l), height (h) | metre | m |
| mass (m) | kilogram | kg |
| time (t) | second | s |
| speed (v), velocity (v) | metre/second | m/s |
| acceleration (a) | (metre/second)^2 | \(m/s^2\) |
| force (F) | newton | N |
| pressure (P or p) | pascal | Pa |
| energy (E, Q, W) | joule | J |
| power (P) | watt | W |
| viscosity (μ) | Pascal * second | Pa⋅s |
Derived Units
| Quantity | Unit | Symbol |
|---|---|---|
| plane angle | radian | rad |
| solid angle | steradian | sr |
| frequency | hertz | Hz |
| force/weight | newton | N |
| pressure/stress | pascal | Pa |
| energy/work/heat | joule | J |
| power/radiant flux | watt | W |
| electric charge | coulomb | C |
| electric potential/voltage | volt | V |
| capacitance | farad | F |
| resistance | ohm | Ω |
| electrical conductance | siemens | S |
| magnetic flux | weber | Wb |
| magnetic flux density | tesla | T |
| inductance | henry | H |
| temperature | degree Celcius | °C |
| luminous flux | lumen | lm |
| illuminance | lux | lx |
| radionuclide | becquerel | Bq |
| absorbed dose | gray | Gy |
| equivalent dose | sievert | Sv |
| catalytic activity | katal | kat |