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Units
Reading time: 1minBasic units of the SI
| Magnitude | Name | Symbol |
|---|---|---|
| Length | meter | m |
| Mass | kilogram | kg |
| Time | second | s |
| Electric current | amper | A |
| Thermodynamic temperature | kelvin | K |
| Quantity of substance | mol | mol |
| Luminous intensity | candela | cd |
Units derived from SI
| Magnitude | Name | Symbol |
|---|---|---|
| Plane angle | radian | rad |
| Solid angle | steradian | sr |
| Frequency | hertz | Hz |
| Force | newton | N |
| Pressure, strain | pascal | Pa |
| Pressure, strain | atmosphere | atm |
| Energy, work, quantity of heat | joule | J |
| Energy | electronvolt | eV |
| Power, radiant flux | watt | W |
| Electric potential difference, electromotive force | volt | V |
| Capacitance | farad | F |
| Electrical resistance | ohm | Ω |
| Electrical charge | coulomb | C |
| Electrical conductivity | siemens | S |
| Magnetic flux | weber | Wb |
| Magnetic flux density | tesla | T |
| Inductance | henry | H |
| Luminous flux | lumen | lm |
| Illuminance | lux | lx |
| Radioactivity | becquerel | Bq |
| Absorbed dose | gray | Gy |
| Equivalent dose | sievert | Sv |
| Catalytic activity | katal | Kat |
| Molar concentration | molar | M |
| Unit of mass | dalton | u |
Units from other systems
| Magnitude | Name | Symbol |
|---|---|---|
| Time | hour | h |
| Time | minute | min |
| Volume | liter | l |
| Pressure, strain | bar | b |
| Force | kilopond | kp |
| Length | yard | yd |
| Length | foot | ft |
| Length | inch | in |
| Length | mile | mi |
| Length | nautical mile | nmi |
| Volume | gallon | gal |
| Mass | ounce | oz |
| Mass | pound | lb |
| Volume | fluid ounce | floz |
| Volume | pint | pt |