단위규정

항 목

단위

길 이

m

질 량

kg

시 간

s

전 류

A

Thermodynamic temperature

K

Amount of susbtance

mol

Luminous intensity

cd

Plane angle

rad

Solid Angle

sr

Quantity

SI unit

symbol

Name

Units

Frequency

Hz

hertz

1/s

Force

N

newton

㎏ ㎨

Pressure, stress

Pa

pascal

㎏/m s² or n/㎡

Energy or work

J

joule

㎏ ㎡/s² or N m

A quantity of heat

J

joule

㎏ ㎡/s² or N m

Power, radiant flux

W

watt

㎏ m²/s³ or J/s

Electric charege

C

coulomb

A s

Electrical potential

V

volt

㎏ m²/s³ A or W/A

Potential difference

V

volt

㎏ m²/s³ A or W/A

Electromotive force

V

volt

㎏ m²/s³ A or W/A

Capacitance

F

farad

A² s⁴/㎏ ㎡ or C/V

Electric resistance

Ω

ohm

㎏ m²/s³ A² or V/A

Conductance

S

siemens

s³ A²/㎏ ㎡ or A/V

Magnetic flux

Wb

weber

㎏ ㎨ A or V s

Magnetic flux density

T

tesla

㎏/s² A or Wb/㎡

Inductance

H

henry

㎏ ㎡/s² or A² or Wb/A

Luminous flux

lm

lumen

cd sr

llluminance

lx

lux

cd sr/㎡ or lm/㎡

Activity(radionuclides)

Bq

becquerel

l/s

Absorbed does

Gy

gray

㎡/s² or J/㎏

Quantity

SI unit

symbol

Name

Units

Acceleration

㎨

Molar entropy

J/mot K

Angular acceleration

㎯

Molar heat capacity

J/mot K

Angular velocity

㎮

Moment of force

N/m

Area

㎡

Permeability

H/m

Concentration

mol/㎥

Permittivity

F/m

Current density

A/㎡

Radiance

W/㎡ sr

Density, mass

㎏/㎥

Radiant intensity

W/sr

Electric change density

C/㎥

Specific heat capacity

J/㎏ K

Electric field strength

V/m

Specific energy

J/㎏

Electric flux density

C/㎡

Specific entropy

J/㎏ K

Energy density

J/㎥

Specific volume

㎥/㎏

Entropy

J/K

Surface tension

N/m

Heat capacity

J/K

Thermal conductivity

W/m K

Heat flux density

W/㎡

Velocity

㎧

Irradiance

W/㎡

Viscosity, Dynamic

Pa s

Luminance

cd/㎡

Viscosity, kinematic

㎡/s

Magnetic field strength

A/m

Volume

㎥

Molar energy

J/mol

Wavelength

m