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SI Units
The 7 basic SI Units and 22 SI coherent derived units.
Quantity | Unit |
---|---|
length | meter (m) |
mass | kilogram (kg) |
time | second (s) |
electric current | ampere (A) |
thermodynamic temperature | kelvin (K) |
amount of substance | mole (mol) |
luminous intensity | candela (cd) |
plane angle | radian (rad) |
solid angle | steradian (sr) |
frequency | hertz (Hz) |
force | newton (N) |
pressure, stress | pascal (Pa) |
energy, work, amount of heat | Joule (J) |
power, radiant flux | watt (W) |
electric charge, amount of electricity | coulomb (C) |
electric potential difference, electromotive force | volt (V) |
capacitance | farad (F) |
electrical resistance | ohm (Ω) |
electric conductance | siemens (S) |
magnetic flux | weber (Wb) |
magnetic flux density | tesla (T) |
inductance | henry (H) |
temperature | degree Celsius (°C) |
luminous flux | lumen (lm) |
illuminace | lux (lx) |
activity referred to a radionuclide (radioactivity) | becquerel (Bq) |
absorbed dose, specific energy (imparted), kerma | gray (Gy) |
dose equivalent and any variety thereof | sievert (Sv) |
catalytic activity | katal (kat) |