Names and Symbols of SI Unites
Q
What are Names and Symbols of SI Unites?
✍: FYIcenter.com
A
SI specifies names and symbols for 29 units including 2 dimensionless units,
7 base units, 19 coherent units and 1 derived unit. See the table below.
| Name | Symbol | Quantity Type | In SI base units | In other SI units |
| radian | rad | plane angle | 1 | |
| steradian | sr | solid angle | 1 | |
| meter | m | length | m | |
| kilogram | kg | mass | kg | |
| second | s | time | s | |
| ampere | A | electric current | A | |
| kelvin | K | thermodynamic temperature | K | |
| mole | mol | amount of substance | mol | |
| candela | cd | luminous intensity | cd | |
| hertz | Hz | frequency | s−1 | |
| newton | N | force | kg⋅m⋅s−2 | |
| pascal | Pa | pressure, stress | kg⋅m−1⋅s−2 | N/m2 |
| joule | J | energy, work, amount of heat | kg⋅m2⋅s−2 | N⋅m |
| watt | W | power, radiant flux | kg⋅m2⋅s−3 | J/s |
| coulomb | C | electric charge | s⋅A | |
| volt | V | electric potential difference | kg⋅m2⋅s−3⋅A−1 | W/A |
| ohm | Ω | electrical resistance | kg⋅m2⋅s−3⋅A−2 | V/A |
| siemens | S | electrical conductance | kg−1⋅m−2⋅s3⋅A2 | A/V |
| farad | F | capacitance | kg−1⋅m−2⋅s4⋅A2 | C/V |
| henry | H | inductance | kg⋅m2⋅s−2⋅A−2 | Wb/A |
| tesla | T | magnetic flux density | kg⋅s−2⋅A−1 | Wb/m2 |
| weber | Wb | magnetic flux | kg⋅m2⋅s−2⋅A−1 | V⋅s |
| lumen | lm | luminous flux | cd⋅sr | |
| lux | lx | illuminance | cd⋅sr⋅m−2 | lm/m2 |
| becquerel | Bq | activity referred to a radionuclide | s−1 | |
| gray | Gy | absorbed dose, kerma | m2⋅s−2 | J/kg |
| sievert | Sv | dose equivalent | m2⋅s−2 | J/kg |
| katal | kat | catalytic activity | mol⋅s−1 | |
| degree Celsius | °C | Celsius temperature | K |
⇒ Non-SI Units Included in ISQ
2026-10-28, ∼1918🔥, 0💬
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