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Système International (SI) Units
A universal, unified, self-consistent system of measurement units based
on the MKS (meter-kilogram-second) system. The international system is commonly
referred to throughout the world as SI, after the initials of Système
International.
Measure
of
Base
SI 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
Derived SI Units
Measure
of
Unit
Symbol
Area
square
meter
m2
Volume
cubic
meter
m3
Velocity
meter
per second
m/s
Acceleration
meter
per second squared
m/s2
Density
kilogram
per cubic meter
kg/m3
Current
density
ampere
per square meter
A/m2
Magnetic
field strength
ampere
per meter
A/m
Specific
volume
cubic
meter per kilogram
m3 /kg
Luminance
candela
per square meter
cd/m2
Measure
of
Unit
Symbol
Value
Frequency
hertz
Hz
1/s
Force
newton
N
kg
m/s2
Pressure,
stress
pascal
Pa
N/m2
Energy,
work, qty of heat
joule
J
N
m
Power
watt
W
J/s
Qty
of electricity
coulomb
C
A
s
Electric
potential
volt
V
W
/ A
Capacitance
farad
F
C
/ V
Electric
resistance
ohm
V
/ A
Conductance
siemens
S
A
/ V
Magnetic
flux
weber
Wb
V
s
Inductance
henry
H
Wb
/ A
Luminous
flux
lumen
lm
cd
sr
Illuminance
lux
lx
lm
/ m2
Activity
(of radionuclides)
becquerel
Bq
1/s
Absorbed
dose
gray
Gy
J/kg
Other Links:Ancient Measures ,
Constants ,
Conversions ,
Fields of Science ,
Metric Prefixes ,
Periodic Table , Resistor Color Codes
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