Fundamental Principles of Engineering Nanometrology, 2nd Edition

Appendix B

SI Derived Units

Examples of SI derived units expressed in terms of base units

Derived Quantity	SI Derived Unit Name	Symbol
Area	square metre	m2
Volume	cubic metre	m3
Speed, velocity	metre per second	m·s−1
Acceleration	metre per second squared	m·s−2
Wavenumber	reciprocal metre	m−1
Density	kilogram per cubic metre	kg·m−3
Current density	ampere per square metre	A·m−2
Magnetic field strength	ampere per metre	A·m−1
Concentration	mole per cubic metre	mol·m−3
Luminance	candela per square metre	cd·m−2
Refractive index	unity	1

SI derived units with special names and symbols

Derived Quantity	SI Derived Unit Name	Symbol	In Terms of Other Units	In Terms of Base Units
Plane angle	radian	rad		1
Solid angle	steradian ...