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radius as side.

-1
Frequency hertz Hz 1 s [number of events or

cycles]/[time].
Mechanics:
-
1 kg.m.s [mass].[acceleration].

Force newton N 2

[force]/[area]. Also:

-2

Pressure pascal Pa 1 N.m
stress.
[force].[length].
Energy joule J 1 N.m
Also: Work, Heat

-1
Power watt W 1 J.s [energy]/[time].
Also: Radiant flux
Thermodynamics:
o
T [ C] = T [K] -

o

Temperature celsius C 1 K
273.15
Electromagnetism:

Charge coulomb C 1 A.s [current].[time].
[power]/[current].

-1
Potential volt V 1 W.A Only differences are

measurable!
-1

Resistance ohm Ω 1 V.A [Δpotential]/[current]

.
[current]/[Δpotential]
-1

Conductance siemens S 1 A.V
.
-1 [charge]/[Δpotential].
Capacitance farad F 1 C.V

-1 [Δpotential]/[rate of

Inductance henry H 1 V.s.A
change of current].

-1

Magnetic flux weber Wb 1 J.A [energy]/[current].
[magnetic
Magnetic flux tesla T 1 Wb.m flux]/[area]. Also

-2

density
magnetic induction.
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