Physical Quantities and their Units

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PHYSICAL QUANTITIES AND THEIR SI BASE UNITS

Following is the list of Physical Quantities and their SI Base Units and Symbols.

Physical Quantity Unit Symbol
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

SOME SI DERIVED UNITS

Physical Quantity Unit Symbol
area square meter m2
volume cubic meter m3
frequency hertz Hz
mass density (density) kilogram per cubic meter kg/m3
speed, velocity meter per second m/s
angular velocity radian per second rad/s
acceleration meter per second squared m/s2
angular acceleration radian per second squared rad/s2
force newton N
pressure pascal Pa
work, energy, quantity of heat joule J
power watt W
quantity of electricity coulomb C
potential difference, electromotive force volt V
electric field volt per meter V/m
electric resistance ohm Ω
capacitance farad F
magnetic flux weber Wb
inductance henry H
magnetic field tesla T
entropy joule per kelvin J/K
specific heat capacity joule per kilogram kelvin J/(kg.K)
thermal conductivity watt per meter kelvin W/(m.K)
radiant intensity watt per steradian W/sr

THE SI SUPPLEMENTARY UNITS

Physical Quantity Unit Symbol
plane angle radian rad
solid angle steradian sr

RELATED PAGES
— Scientific Abbreviations
Scientific Instruments and their uses
Scientific Inventions and Discoveries