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There are other SI units derived from the base SI units and have names given in terms of the base units involved. These derived SI units are listed below:
Derived quantity |
Name |
Symbol |
area |
square meter |
m2 |
volume |
cubic meter |
m3 |
speed, velocity |
meter per second |
ms-1 |
acceleration |
meter per second squared |
ms-2 |
wave number |
reciprocal meter |
m-1 |
density (mass density) |
kilogram per cubic meter |
kgm-3 |
specific volume |
cubic meter per kilogram |
m3kg-1 |
current density |
ampere per square meter |
Am-2 |
magnetic field strength |
ampere per meter |
Am-1 |
concentration (of amount of substance) |
mole per cubic meter |
mol m-3 |
luminance |
candela per square meter |
cd m-2 |
Certain derived SI units have special names and symbols. For example,
the quantity force has a special name newton with symbol N. There are also other SI derived units expressed by means of special names. For example, surface tension is expressed in newton per meter with symbol Nm-1.
These units are listed in the appropriate category accessible from the main unit page.
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