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Quantities, Units, Dimensions and Types (QUDT) - Level 1
The QUDT Ontologies are issued under a Creative Commons Attribution Share Alike 3.0 United States License. Attribution should be made to NASA Ames Research Center and TopQuadrant, Inc.
QUDT Unit
Pressure or stress rate
Molal Concentration Unit
Area Time Temperature Unit
Counting Unit
Specific Heat Pressure Unit
This class contains units of measure for specific heat capacity at a constant pressure.
Photometry Unit
Electric Charge Line Density Unit
The linear charge density is the amount of electric charge in a line. It is measured in coulombs per metre (C/m). Since there are positive as well as negative charges, the charge density can take on negative values. [Wikipedia]
Respiratory Rate Unit
Bending Moment Or Torque Unit
Force Per Electric Charge Unit
Curvature Unit
The canonicall example of extrinsic curvature is that of a circle, which has curvature equal to the inverse of its radius everywhere. Smaller circles bend more sharply, and hence have higher curvature. The curvature of a smooth curve is defined as the curvature of its osculating circle at each point. The osculating circle of a sufficiently smooth plane curve at a given point on the curve is the circle whose center lies on the inner normal line and whose curvature is the same as that of the given curve at that point. This circle is tangent to the curve at the given point.
That is, given a point P on a smooth curve C, the curvature of C at P is defined to be 1/R where R is the radius of the osculating circle of C at P. The magnitude of curvature at points on physical curves can be measured in diopters (also spelled dioptre) � this is the convention in optics. [Wikipedia]
Length Unit
Power Per Area Unit
Not Used With SI Unit
true
A type specification for all units that are not used in the SI standard.
Derived Unit
true
Linear Momentum Unit
Absorbed Dose Rate Unit
Volume Thermal Expansion Unit
When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in response to heating and contract on cooling; this dimensional response to temperature change is expressed by its coefficient of thermal expansion.
Different coefficients of thermal expansion can be defined for a substance depending on whether the expansion is measured by:
* linear thermal expansion
* area thermal expansion
* volumetric thermal expansion
These characteristics are closely related. The volumetric thermal expansion coefficient can be defined for both liquids and solids. The linear thermal expansion can only be defined for solids, and is common in engineering applications.
Some substances expand when cooled, such as freezing water, so they have negative thermal expansion coefficients.
For exactly isotropic materials, the volumetric thermal expansion coefficient is very closely approximated as three times the linear coefficient. [Wikipedia]
Unit
Eenheid
Unit
Eenheid
Mass Unit
Time Squared Unit
Magnetomotive Force Unit
Magnetomotive force is any physical cause that produces magnetic flux. In other words, it is a field of magnetism (measured in tesla) that has area (measured in square meters), so that (Tesla)(Area)= Flux. It is analogous to electromotive force or voltage in electricity. MMF usually describes electric wire coils in a way so scientists can measure or predict the actual force a wire coil can generate. [Wikipedia]
This class contains the following instance(s): "Ampere turn", "Gilbert", "Oersted centimeter", "Unit pole".
Specific Heat Volume Unit
This class contains units of measure for specific heat capacity at a constant volume.
Plane Angle Unit
Heat Flow Rate Unit
Radiance Unit
Energy and work per mass amount of substance
Physical Unit
Solid Angle Unit
The solid angle subtended by a surface S is defined as the surface area of a unit sphere covered by the surface S's projection onto the sphere. A solid angle is related to the surface of a sphere in the same way an ordinary angle is related to the circumference of a circle. Since the total surface area of the unit sphere is 4*pi, the measure of solid angle will always be between 0 and 4*pi.
Angular Mass Unit
The units of angular mass have dimensions of mass * area. They are used to measure the moment of inertia.
Computing Unit
Inverse Amount Of Substance Unit
Thermal Energy Unit
Electrochemistry Unit
Event Unit
Mass Per Volume Unit
Dose Equivalent Unit
Temperature per time unit
Radiometry Unit
Frequency Unit
Velocity Unit
Electric Flux Density Unit
Momentum Unit
Dynamic Viscosity Unit
Volume Unit
Thermal Resistance Unit
Radiology Unit
Molar Heat Capacity Unit
Microbial Formation Unit
Atomic Mass Unit
Mass Amount Of Substance Temperature Unit
Energy Per Area Unit
Units that quantify energy per unit area.
Length Temperature Time Unit
Dimensionless Unit
Heat Capacity And Entropy Unit
Electric Charge Density Unit
The linear, surface, or volume charge density is the amount of electric charge in a line, surface, or volume. It is measured in coulombs per metre (C/m), square metre (C/m^2), or cubic metre (C/m^3), respectively. Since there are positive as well as negative charges, the charge density can take on negative values. [Wikipedia]
Energy per Electric Charge Unit
The ratio of energy to electric charge arises repeatedly in electrodynamics. It is the dimensional equivalent to the electrostatic potential and electromotive force. In both cases, the SI unit is the volt, or newton meters per coulomb.
Non SI Unit
true
A Non-SI unit. Typically an imperial measure.
Current Per Angle Unit
Specific Energy Unit
Units which quantify specific energy, i.e. energy per unit mass.
Thermal Energy Length Unit
Energy Density Unit
Units that measure energy density, i.e. energy per unit volume.
Thermal Resistivity Unit
Catalytic Activity Unit
Time Area Unit
Power Unit
Space And Time Unit
Atomic Charge Unit
The electric charge of an ion, equal to the number of electrons the atom has gained or lost in its ionization multiplied by the charge on one electron. This class contains the following instance(s): "atomic number".
Turbidity Unit
Turbidity is the cloudiness or haziness of a fluid caused by individual particles (suspended solids) that are generally invisible to the naked eye, similar to smoke in air.
Capacitance Unit
Capacitance is a measure of the amount of electric charge stored (or separated) for a given electric potential.
This class contains the following instance(s): "Abfarad", "Farad", "MicroFarad", "NanoFarad", "PicoFarad", "Statfarad".
Magnetic Flux Unit
Magnetic flux is a measure of quantity of magnetism, taking into account the strength and the extent of a magnetic field. The SI unit of magnetic flux is the weber (in derived units: volt-seconds), and the unit of magnetic field is the weber per square meter, or tesla. [Wikipedia]
This class contains the following instance(s): "Maxwell", "Unit pole", "Weber".
Exposure Unit
SI Base Unit
true
All SI units are derived from the SI Base units
Financial Unit
This class contains units that measure financial quantities, such as currency, transactions, rates of return, etc.
Force Unit
Angular Acceleration Unit
Electric Charge Volume Density Unit
The volume charge density is the amount of electric charge in a volume. It is measured in coulombs per cubic metre (C/m^3). Since there are positive as well as negative charges, the charge density can take on negative values. [Wikipedia]
Luminance Unit
Thrust To Mass Ratio Unit
Luminous Intensity Unit
Thermal Insulance Unit
Angle unit
Magnetic Flux Density Unit
Angular Velocity Unit
Energy per Electric Charge Unit
The ratio of power to electric charge is proportional to the rate of change of electric potential.
Linear Velocity Unit
Linear Velocity units measure change of length per unit time. Examples include meters per second, miles per hour, knots, etc.
Length Temperature Unit
Electric Dipole Moment Unit
The electric dipole moment (or electric dipole for short) is a measure of the polarity of a system of electric charges. [Wikipedia]
This class has the following instance(s): "Coulomb meter", "Debye".
Biomedical Unit
Kinematic Viscosity Unit
Prefix Unit
Area Thermal Expansion Unit
When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in response to heating and contract on cooling; this dimensional response to temperature change is expressed by its coefficient of thermal expansion.
Different coefficients of thermal expansion can be defined for a substance depending on whether the expansion is measured by:
* linear thermal expansion
* area thermal expansion
* volumetric thermal expansion
These characteristics are closely related. The volumetric thermal expansion coefficient can be defined for both liquids and solids. The linear thermal expansion can only be defined for solids, and is common in engineering applications.
Some substances expand when cooled, such as freezing water, so they have negative thermal expansion coefficients.
For exactly isotropic materials, the area thermal expansion coefficient is very closely approximated as twice the linear coefficient.
Used With SI Unit
true
A type specification for all units that are used in the SI standard.
Volume per mass unit
Information Entropy Unit
Light Unit
Molar Energy Unit
Mass Amount Of Substance Unit
Chemistry Unit
Science And Engineering Unit
Linear Acceleration Unit
Resistance Unit
Electrical resistance is a ratio of the degree to which an object opposes an electric current through it, measured in ohms. Its reciprocal quantity is electrical conductance measured in siemens.
This class contains the following instance(s): "Abohm", "Ohm", "Statohm".
Human Unit
units for measuring human resources
Rate Of Return Unit
Amount Of Substance Unit
Gravitational Attraction Unit
Data Rate Unit
Mass Per Area Unit
Temperature Unit
Illuminance Unit
Area Unit
Electricity And Magnetism Unit
The class of units used to measure the properties of electricity and magnetism.
Mass Per Time Unit
Communications Unit
Permeability Unit
Resource Unit
Logarithmic Unit
Logarithmic units are abstract mathematical units that can be used to express any quantities (physical or mathematical) that are defined on a logarithmic scale, that is, as being proportional to the value of a logarithm function. Examples of logarithmic units include common units of information and entropy, such as the bit, and the byte, as well as units of relative signal strength magnitude such as the decibel.
Electric Current Unit
Electric current is the flow (movement) of electric charge. The SI unit of electric current is the ampere, and electric current is measured using an ammeter. This class contains the following instance(s): "Abampere", "Ampere", "Biot", "Statampere".
Area Angle Unit
SI Unit
true
An SI unit
Electric Current Density Unit
Electric current density is a measure of the density of flow of a conserved charge. Usually the charge is the electric charge, in which case the associated current density is the electric current per unit area of cross section, but the term current density can also be applied to other conserved quantities. It is defined as a vector whose magnitude is the current per cross-sectional area. [Wikipedia]
In SI units, the electric current density is measured in amperes per square metre. This class contains the following instance(s): "Ampere per square meter".
Angular Momentum Unit
Luminous Efficacy Unit
Thermal Diffusivity Unit
Thermal Conductivity Unit
Area Temperature Unit
Linear Thermal Expansion Unit
When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in response to heating and contract on cooling; this dimensional response to temperature change is expressed by its coefficient of thermal expansion.
Different coefficients of thermal expansion can be defined for a substance depending on whether the expansion is measured by:
* linear thermal expansion
* area thermal expansion
* volumetric thermal expansion
These characteristics are closely related. The volumetric thermal expansion coefficient can be defined for both liquids and solids. The linear thermal expansion can only be defined for solids, and is common in engineering applications.
Some substances expand when cooled, such as freezing water, so they have negative thermal expansion coefficients. [Wikipedia]
Video Frame Rate Unit
Energy And Work Unit
Luminous Energy Unit
Atomic Physics Unit
Binary Prefix Unit
Base Unit
true
Radiant Intensity Unit
Absorbed Dose Unit
Volume per Time Squared Unit
Decimal Prefix Unit
Mass Temperature Unit
Force Per Length Unit
Linear Energy Transfer Unit
Inductance Unit
An electric current flowing around a circuit produces a magnetic field and hence a magnetic flux through the circuit. The ratio of the magnetic flux to the current is called the inductance, or more accurately self-inductance of the circuit. [Wikipedia]
This class contains the following instance(s): "Abhenry", "Henry", "Micro Henry", "Milli Henry", "Stathenry".
Electric Charge Per Amount Of Substance Unit
Magnetic Field Strength Unit
A magnetic field is a vector field that permeates space and which can exert a magnetic force on moving electric charges and on magnetic dipoles (such as permanent magnets). [Wikipedia] The strength of a magnetic field at a point in space is the magnitude of the field vector at that point.
This class contains the following instance(s): "Ampere per meter", "Ampere turn per inch", "Ampere turn per meter", "Oersted".
Electric Charge Unit
Electric charge is a fundamental conserved property of some subatomic particles, which determines their electromagnetic interaction. Electrically charged matter is influenced by, and produces, electromagnetic fields. The interaction between a moving charge and an electromagnetic field is the source of the electromagnetic force, which is one of the four fundamental forces.
Thermal Expansion Unit
When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in response to heating and contract on cooling; this dimensional response to temperature change is expressed by its coefficient of thermal expansion.
Different coefficients of thermal expansion can be defined for a substance depending on whether the expansion is measured by:
* linear thermal expansion
* area thermal expansion
* volumetric thermal expansion
These characteristics are closely related. The volumetric thermal expansion coefficient can be defined for both liquids and solids. The linear thermal expansion can only be defined for solids, and is common in engineering applications.
Some substances expand when cooled, such as freezing water, so they have negative thermal expansion coefficients. [Wikipedia]
Electric Field Strength Unit
The strength of the electric field at a given point is defined as the force that would be exerted on a positive test charge of +1 coulomb placed at that point; the direction of the field is given by the direction of that force. Electric fields contain electrical energy with energy density proportional to the square of the field intensity. The electric field is to charge as gravitational acceleration is to mass and force density is to volume.
Volume Per Time Unit
A "Space And Time" Unit with the following instance(s): "Cubic foot per minute", "Cubic foot per second", "Cubic inch per minute", "Cubic meter per second", "Cubic yard per minute", "Gallon per day", "Gallon per minute".
Serum Or Plasma Level Unit
Molar Concentration Unit
Coefficient Of Heat Transfer Unit
Specific Heat Capacity Unit
Mass Per Length Unit
Conductance Unit
Electrical conductance is the inverse of electrical resistance. It measures the ease with which electricity flows along a path through an electrical element.
This class contains the following instance(s): "Abmho", "Mho", "Siemens", "Statmho".
Currency Unit
Electric Charge Area Density Unit
Time Unit
Units that measure time.
RF-Power Unit
Signal Detection Threshold Unit
Signal relative to an underlying signal
Activity Unit
Heart Rate Unit
true
SI Derived Unit
Amount of substance temperature unit
Electric Flux Unit
Thermodynamics Unit
Thermodynamics units are units that provide reference scales for quantifying the conversion of energy into work, as well as heat and its relation to macroscopic variables such as temperature and pressure.
Luminous Flux Unit
Acceleration Unit
Concentration Unit
Pressure Or Stress Unit
Permittivity Unit
Mechanics Unit
symbol
symbol
symbol
symbol
currencyExponent
currencyExponent
currencyExponent
currencyExponent
afkorting
abbreviation
afkorting
abbreviation
code
code
code
code
description
description
description
description
Quad
1535
quad
quad
Femtometer
fm
fm
Volt per Meter
1910
V m^-1
V/m
Lux
1080
lx
lx
Pound Force per Square Foot
1445
lbf/ft^2
lbf/ft^2
Planck Density
Astronomical Unit
0095
au
au
Watt Square Meter per Steradian
W m^2 sr^-1
W m^2 sr^-1
Gal
0705
Gal
Gal
Kyat
0
104
MMK
Myanmar
Year Tropical
1990
yr
yr
Mile - International Standard
1140
mi
miINT
Foot Pound Force
0670
ft-lbf
ft-lbf
Maxwell
1085
Mx
Mx
Furlong
0381
fur
fur
Year (365 Day)
1980
yr
yr
Rad
1550
rad
rad
Faraday
0600
F
F
Venezuelan bol�var
2
937
VEB
Venezuela
Kilogram Force
0975
kgf
kgf
Moldovan Leu
2
498
MDL
Moldova
Kelvin per Tesla
K T^-1
K T^-1
Singapore Dollar
2
702
SGD
Singapore
Colony Forming Unit
2405
CFU
CFU
Square Meter
1705
m^2
m^2
CGS-Gauss System of Units
Gauss
Radian per Second Squared
1565
rad/s^2
rad/s^2
Gibi
Gi
Cubic Mile
0460
mi^3
mi^3
Hertz per Volt
Hz V^-1
Hz V^-1
Ampere per Meter
0060
A/m
A/m
Degree Rankine per Minute
degR / m
degR / m
J
J
0885
Joule
Cuban Peso
2
931
CUP
Cuba
Egyptian Pound
2
818
EGP
Egypt
Zambian Kwacha
0
894
ZMK
Zambia
Bits per Second
2240
bps
bps
Cubic Yard
0465
yd^3
yd^3
Joule per Kilogram Kelvin per Pascal
2034
J/(km-K-Pa)
Ethiopian Birr
2
230
ETB
Ethiopia
Abohm
0030
abOhm
abOhm
Kilogram
0971
kg
kg
Mile US Statute
1160
mi
miUS
Loti
2
426
LSL
Lesotho
Deci
d
Mole per Cubic Meter
1220
mol/m^3
mol/m^3
Millibar
1170
mbar
mbar
Cubic Meter per Hour
2010
m^3/h
m^3/h
Serbian Dinar
2
941
RSD
Serbia
Square Centimeter
2038
cm^2
cm^2
Absiemen
0025
aS
aS
Slovak Koruna
SKK
Slovakia
Hour Sidereal
0835
hr
hr
Mega Hertz per Tesla
MHz T^-1
MHz T^-1
Radian per second
rad/m
rad/m
Ban
A ban is a logarithmic unit which measures information or entropy, based on base 10 logarithms and powers of 10, rather than the powers of 2 and base 2 logarithms which define the bit. One ban is approximately 3.32 (log_2 10) bits.
ban
Aruban Guilder
2
533
AWG
Aruba
BTU per Square Foot Second Degree Fahrenheit
0245
Btu/(ft^2-s-degF)
Btu/(ft^2-s-degF)
BTU Foot per Square Foot Hour Degree Fahrenheit
0165
Btu-ft/(hr-ft^2-degF)
Btu-ft/(hr-ft^2-degF)
BTU Inch
0170
Btu-in
Btu-in
Per Meter Kelvin Unit
m^-1 K^-1
m^-1 K^-1
Denar
2
807
MKD
Former Yugoslav Republic of Macedonia
Inverse Second
0875
s^-1
s^-1
Microgravity
2110
microG
microG
Joule per Mole Kelvin
0915
J mol^-1 K^-1
J/(mol-K)
Som
2
417
KGS
Kyrgyzstan
Pound Force Foot
1420
lbf-ft
lbf-ft
Ton Assay
1840
AT
AT
Bushel
0255
bu
bu
Ouguiya
0
478
MRO
Mauritania
Degree Celsius
0515
degC
degC
Zimbabwe Dollar
2
932
ZWD
Zimbabwe
Saudi Riyal
2
682
SAR
Saudi Arabia
US Gallon
0725
gal
galUS
UIC franc (special settlement currency)
XFU
International Union of Railways
Watt per Square Meter Steradian
1960
Radiance
W/(m^2-sr)
W/(m^2-sr)
BTU Foot
0160
Btu-ft
Btu-ft
US Liquid Quart
1545
qt
qt
Maltese Lira
MTL
Malta
Kilogram per Mole
kg mol^-1
kg mol^-1
Kilopascal
2040
KPa
KPa
Baht
2
764
THB
Thailand
Foot Candle
0630
fc
fc
Gon
0750
gon
gon
BTU per Pound Mole
0225
Btu/(lb-mol)
Btu/(lb-mol)
Pebi
Pi
Bermuda Dollar
060
2
BMD
Bermuda
Minute Sidereal
1200
min
min
Kilocalorie per Square Centimeter
0310
kcal/cm^2
kcal/cm^2
Per Meter Unit
/m
1091
m^-1
Statcoulomb per Square Centimeter
statC/cm^2
Newton Meter
1230
N-m
N-m
Knot per Second
2115
kt/s
kt/s
Newton per Kilogram
1240
N/kg
N/kg
Jamaican Dollar
2
388
JMD
Jamaica
Technical Atmosphere
0105
at
at
Planck Frequency
Degree Fahrenheit per Second
degF / s
degF / s
Foot Pound Force per Square Foot Second
0695
ft-lbf(ft^2-s)
ft-lbf(ft^2-s)
BTU Inch per Square Foot Hour Degree Fahrenheit
0175
Btu-in/(hr-ft^2-degF)
Btu-in/(hr-ft^2-degF)
Bahamian Dollar
044
2
BSD
Bahamas
Inch of Water
0870
inAq
inAq
Meter per Farad
m/F
Hectare
0785
ha
ha
Decibel Referred to 1mw
2500
dBm
dBm
Erg per Cubic Centimeter
2018
erg/cm^3
Belarussian Ruble
0
974
BYR
Belarus
Kilo
k
Tenge
2
398
KZT
Kazakhstan
Solomon Islands Dollar
090
2
SBD
Solomon Islands
Rod
1590
A unit of distance equal to 5.5 yards (16 feet 6 inches).
rd
rd
Degree per Second
2180
deg/s
deg/s
Mile per Hour
1150
mi/hr
mi/hr
Therm EC
1820
therm (EC)
therm (EC)
Pound Force per Square Inch Second
lbf / in^2-s
lbf / in^2-s
Rem
1570
rem
rem
Bulgarian Lev
2
975
BGN
Bulgaria
Statmho
1760
statS
statS
Nutritional Calorie
0265
Cal
Cal
Square Mile
1730
mi^2
mi^2
Atto
a
Metical
2
943
MZN
Mozambique
Cordoba Oro
2
558
NIO
Nicaragua
Micro
µ
Bar
0110
bar
bar
Mach
Fiji Dollar
2
242
FJD
Fiji
Pound Degree Rankine
1410
lb-degR
lb-degR
Sri Lanka Rupee
144
2
LKR
Sri Lanka
Square Yard
1735
yd^2
yd^2
Abcoulomb per Square Centimeter
abC/cm^2
Chain
0380
ch
ch
Pound Degree Fahrenheit
1405
lb-degF
lb-degF
Degree Fahrenheit per Hour
degF / h
degF / h
Pound per Inch
1515
lb/in
lb/in
MKS System of Units
CFA Franc BEAC
0
950
XAF
Cameroon, Central African Republic, Congo, Chad, Equatorial Guinea, Gabon
South African Rand
2
710
ZAR
South Africa
Statvolt
1770
statV
statV
Costa Rican Colon
188
2
CRC
Costa Rica
Lilangeni
2
748
SZL
Swaziland
Microfarad
2655
microF
microF
Ton - Short
1880
ton
ton
Pound Troy
1530
An obsolete unit of mass; the Troy Pound has been defined as exactly 5760 grains, or 0.3732417216 kg. A Troy Ounce is 1/12th of a Troy Pound.
lbm
lbm
Revolution per Second Squared
Denier
0550
Milli
m
Inch per Second Squared
1111
in/s^2
in/s^2
Oersted Centimeter
1265
Oe-cm
Oe-cm
Kilogram per Second
1005
kg/s
kg/s
Centimeter of Water
0365
cmH2O
cmH2O
Kilo Electron Volt
2420
keV
keV
WIR Franc (complementary currency)
2
948
CHW
Switzerland
Czech Koruna
2
203
CZK
Czech Republic
Foot of Water
0640
ftH2O
ftH2O
Coulomb per Kilogram
0415
C kg^-1
C/kg
Ounce Mass
1275
An ounce of mass is 1/16th of a pound of mass, based on the international standard definition of the pound as exactly 0.45359237 kg.
ozm
ozm
Yobi
Yi
New Turkish Lira
2
949
TRY
Turkey
Watt per Square Meter Quartic Kelvin
W m^-2 K^-4
W m^-2 K^-4
Foot Pound Force per Minute
0680
ft-lbf/min
ft-lbf/min
Inch Pound Force
in-lbf
in-lbf
W
Watt
W
1920
Planck Resistance
Cubic Coulomb Meter per Square Joule
C^3 m^3 J^-2
C^3 m^3 J^-2
Statvolt Centimeter
statV cm
statV cm
Kilopascal Absolute
2052
KPaA
KPaA
Gilbert
0740
Gi
Gi
The fundamental unit of magnetomotive force (mmf) in electromagnetic units is called a Gilbert. It is the mmf which will produce a magnetic field strength of one Gauss (Maxwell per Square Centimeter) in a path one centimeter long.
Horsepower Metric
0820
hp/m
hp/m
Kuwaiti Dinar
3
414
KWD
Kuwait
Kelvin per Second
K / s
K / s
Iraqi Dinar
0
368
IQD
Iraq
Pataca
1
446
MOP
Macau Special Administrative Region
Farad
0595
F
F
Joule Meter per Mole
J m mol^-1
J m mol^-1
Candle
0350
cd
cd
Pound Mole
1465
lb-mol
lb-mol
Degree Rankine per Second
degR / s
degR / s
Degree Celsius per Minute
degC / m
degC / m
Pound per Cubic Inch
1480
lb/in^3
lb/in^3
Zetta
Z
Mega Electron Volt
2421
MeV
MeV
Kilocalorie per Second
0305
kcal/s
kcal/s
Abcoulomb
0010
The abcoulomb (abC or aC) or electromagnetic unit of charge (emu of charge) is the basic physical unit of electric charge in the cgs-emu system of units. One abcoulomb is equal to ten coulombs. [Wikipedia]
abC
abC
Saint Helena Pound
2
654
SHP
Saint Helena
Dyne Centimeter
0565
dyn-cm
dyn-cm
Gigahertz
3035
GHz
GHz
Square Meter per Kelvin
2048
m^2/K
Dominican Peso
2
214
DOP
Dominican Republic
Joule per Square Meter
0920
J/m^2
J/m^2
Atomic System of Units
Weber
1970
Wb
Wb
Decimeter
decimeter
Centi
c
Electron Volt
0575
eV
eV
Coulomb Meter
0405
C m
C m
Slug per Cubic Foot
1645
slug/ft^3
slug/ft^3
Moroccan Dirham
2
504
MAD
Morocco, Western Sahara
Kilo Electron Volt per Micrometer
2370
keV/microM
keV/µm
Pound per Foot
1490
lb/ft
lb/ft
Meter Kelvin
1095
m K
m K
Pound per Gallon
1505
lb/gal
lb/gal
Joule Second per Mole
J s mol^-1
J s mol^-1
Breath per Minute
2495
breaths/min
breaths/min
Swedish Krona
2
752
SEK
Sweden
Foot per Hour
0645
ft/hr
ft/hr
Mauritius Rupee
2
480
MUR
Mauritius
Uganda Shilling
0
800
UGX
Uganda
Bahraini Dinar
048
3
BHD
Bahrain
Microhenry
2675
microH
microH
European Monetary Unit (E.M.U.-6) (Bonds market unit)
956
XBB
Bonds market unit
Knot
1050
kn
kn
Foot Lambert
0635
ft-L
ft-L
Volt per second
V / sec
V / sec
Cubic Kilometer per Second Squared
km^3/s^2
Quetzal
2
320
GTQ
Guatemala
New Taiwan Dollar
1
901
TWD
Taiwan and other islands that are under the effective control of the Republic of China (ROC)
BTU per Pound
0210
Btu/lb
Btu/lb
Kilocalorie per Gram
0275
kcal/gm
kcal/gm
Candela
0335
cd
cd
European Unit of Account 9 (E.U.A.-9) (Bonds market unit)
957
XBC
Bonds market unit
Tugrik
2
496
MNT
Mongolia
Yemeni Rial
0
886
YER
Yemen
Degree Rankine per Hour
degR / h
degR / h
Degree per Second Squared
2170
deg/(s^2)
deg/(s^2)
Yard
1975
yd
yd
Manat
2
934
TMM
Turkmenistan
Planck Area
Henry per Meter
0795
H/m
H/m
Mebi
Mi
Joule per Mole
0910
J/mol
J/mol
Lempira
2
340
HNL
Honduras
Flight
0620
flight
flight
Planck Pressure
Kilogram Meter Squared
2014
kg-m^2
kg-m^2
Kenyan Shilling
2
404
KES
Kenya
Ampere Turn per Inch
0075
At/in
At/in
Million US Dollars per Year
1190
M$/yr
M$/yr
Planck Temperature
Θ_P
Short Ton per Hour
1875
ton/hr
ton/hr
Hecto
h
Byte
3040
B
B
Kilocalorie per Minute
0290
kcal/min
kcal/min
Exbi
Ei
Hour Square Foot
0840
hr-ft^2
hr-ft^2
Millimeter
1093
m^-3
mm
Lebanese Pound
0
422
LBP
Lebanon
British Thermal Unit - International Steam Table
0145
Btu
BtuIT
The British thermal unit (BTU or Btu) is a traditional unit of energy equal to about 1 055.05585 joules. It is approximately the amount of energy needed to heat 1 pound (0.454 kg) of water from 39 °F (3.9 °C) to 40 °F (4.4 °C). The unit is most often used in the power, steam generation, heating and air conditioning industries. In scientific contexts the BTU has largely been replaced by the SI unit of energy, the joule, though it may be used as a measure of agricultural energy production (BTU/kg). It is still used unofficially in metric English-speaking countries (such as Canada), and remains the standard unit of classification for air conditioning units manufactured and sold in many non-English-speaking metric countries.
Meter
1090
m
m
Imperial Pint
1365
pi
pi
Foot Pound Force per Square Meter
ft-lbf/m^2
ft-lbf/m^2
Pound per Cubic Foot
1475
lb/ft^3
lb/ft^3
Kilowatthour
1035
kW-hr
kW-hr
Abampere per Square Centimeter
abA / cm^2
Pound Force
1415
lbf
lbf
Watthour
1925
W-hr
W-hr
Liberian Dollar
2
430
LRD
Liberia
Farad per Meter
0605
F m^-1
F/m
Stilb
1785
sb
sb
Hong Kong Dollar
1
344
HKD
Hong Kong Special Administrative Region
Grain
0765
gr
gr
Meter per Second Squared
1110
m s^-2
m/s^2
Cyprus Pound
132
2
CYP
Cyprus
Meter per Minute
m min^-1
m/min
Sample per second
The number of discrete samples of some thing per second.
Circular Mil
0385
cmil
cmil
Stathenry per Centimeter
statH/cm
Riel
0
116
KHR
Cambodia
Russian Ruble
2
643
RUB
Russia, Abkhazia, South Ossetia
Pound per Foot Second
1500
lb/(ft-s)
lb/(ft-s)
Statcoulomb per Mole
statC/mol
statC/mol
Nakfa
2
232
ERN
Eritrea
Mile per Minute
1155
mi/min
mi/min
Lek
008
2
ALL
Albania
BTU per Degree Rankine
0190
Btu/degR
Btu/degR
Newton
1225
N
N
Kelvin
0930
K
K
Iceland Krona
0
352
ISK
Iceland
Kilowatt
1030
kW
kW
Penny Weight
1340
dwt
dwt
Statampere per Square Centimeter
statA / cm^2
Quartic Coulomb Meter per Cubic Energy
C^4 m^4 J^-3
C^4 m^4 J^-3
MicroTorr
2026
µtorr
µtorr
Platinum (one Troy ounce)
962
XPT
Centimeter Second Degree Celsius
2030
cm-s-degC
cm-s-degC
Barbados Dollar
052
2
BBD
Barbados
Second Angle
"
CGS
CGS System of Units
Revolution per Hour
rev/h
rev/h
Poundal
1390
pdl
pdl
Relative Permittivity
εr
Revolution
1575
rev
rev
Cayman Islands Dollar
136
2
KYD
Cayman Islands
Afghani
2
971
AFN
Afghanistan
New Israeli Shekel
2
376
ILS
Israel
Fermi
0615
fm
fm
BTU per Second Square Foot
0240
Btu/(s-ft^2)
Btu/(s-ft^2)
Cord
0395
C
C
Kilocalorie per Mole
0295
kcal/mol
kcal/mol
Volt Meter
m V
m V
Kelvin per Watt
0945
K/W
K/W
Angstrom
0085
The ångström or angstrom (symbol Å) (the latter spelling, without diacritics, is now usually used in English) (pronounced /ˈæŋstrəm/; Swedish: [ˈɔŋstrøm]) is an internationally recognized unit of length equal to 0.1 nanometre or 1×10−10 metres. It is named after Anders Jonas Ångström. Although accepted for use, it is not formally defined within the International System of Units(SI). (That article lists the units that are so defined.) The ångström is often used in the natural sciences to express the sizes of atoms, lengths of chemical bonds and the wavelengths of electromagnetic radiation, and in technology for the dimensions of parts of integrated circuits. It is also commonly used in structural biology. [Wikipedia]
Å
Å
CFA Franc BCEAO
0
952
XOF
Benin, Burkina Faso, C�te d'Ivoire, Guinea-Bissau, Mali, Niger, Senegal, Togo
Statfarad
1750
statF
statF
Cubic Inch
0440
in^3
in^3
Planck Energy
Hertz per Tesla
Hz T^-1
Hz T^-1
Tanzanian Shilling
2
834
TZS
Tanzania
European Composite Unit (EURCO) (Bonds market unit)
955
XBA
Bonds market unit
Canadian Dollar
124
2
CAD
Canada
Arc Minute
1195
arcMin
arcMin
Gibraltar pound
2
292
GIP
Gibraltar
Comoro Franc
0
174
KMF
Comoros
Slug
1640
slug
slug
Peta
P
Pound per Cubic Yard
1485
lb/yd^3
lb/yd^3
Calorie per Gram Degree Celsius
0280
kcal/(gm-degC)
kcal/(gm-degC)
Kilocalorie
0965
kcal
kcal
Mega Electron Volt per Centimeter
2371
MeV/cm
MeV/cm
Ton Energy
1845
Energy equivalent of one ton of TNT
t/lbf
t/lbf
Planck Volt
Video Frame
2022
Unified Atomic Mass Unit
1895
u
u
Grad
0755
grad
grad
Argentine Peso
032
2
ARS
Argentina
Board Foot
0135
Bf
Bf
Parsec
The parsec (parallax of one arcsecond; symbol: pc) is a unit of length, equal to just under 31 trillion (31×1012) kilometres (about 19 trillion miles), 206265 AU, or about 3.26 light-years. The parsec measurement unit is used in astronomy. It is defined as the length of the adjacent side of an imaginary right triangle in space. The two dimensions that specify this triangle are the parallax angle (defined as 1 arcsecond) and the opposite side (defined as 1 astronomical unit (AU), the distance from the Earth to the Sun). Given these two measurements, along with the rules of trigonometry, the length of the adjacent side (the parsec) can be found. [Wikipedia]
parsec
pc
Planck
Planck units are unique among systems of natural units, because they are not defined in terms of properties of any prototype, physical object, or even elementary particle. [Wikipedia]
Planck System of Units
Ngultrum
064
2
BTN
Bhutan
Curie
0480
Ci
Ci
Poise
1385
P
P
Coulomb per Cubic Meter
0410
C m^-3
C/m^3
Gold (one Troy ounce)
959
XAU
Hour
0830
hr
hr
Ampere
0050
A
A
Debye
0500
D
D
Ton Long per Cubic Yard
1855
ton/yd^3
ton/yd^3
Square Meter Steradian
1725
m^2-sr
m^2-sr
Meter per Second
1105
m s^-1
m/s
Coulomb per Square Meter
0420
C m^-2
C/m^2
Laos kip
0
418
LAK
₭
Laos
Burundian Franc
0
108
BIF
Burundi
Foot Pound Force per Hour
0675
ft-lbf/hr
ft-lbf/hr
WIR Euro (complementary currency)
2
947
CHE
Switzerland
Inch of Mercury
0865
inHg
inHg
Abfarad
0015
An abfarad is an obsolete electromagnetic (CGS) unit of capacitance equal to 10^9 farads (1,000,000,000 F or 1 GF). This very large unit is used in medical terminology only. [Wikipedia]
abF
abF
Mole Kelvin
1215
mol-K
mol-K
Foot
0625
ft
ft
Pa'anga
2
776
TOP
Tonga
Romanian New Leu
2
946
RON
Romania
Nautical Mile
1145
n mile
nmi
Second Square Foot
1605
s-ft^2
s-ft^2
Kwanza
1
973
AOA
Angola
Pound Mass
1400
A pound of mass, based on the international standard definition of the pound as exactly 0.45359237 kg.
lbm
lbm
Pound per Square Foot
1525
lb/ft^2
lb/ft^2
Guyana Dollar
2
328
GYD
Guyana
Kilogram per Square Meter
1010
kg/m^2
kg/m^2
Calorie per Centimeter Second Degree Celsius
0270
cal/(cm-s-degC)
cal/(cm-s-degC)
Pascal Second
1330
Pa-s
Pa-s
Samoan Tala
2
882
WST
Samoa
BTU per Degree Fahrenheit
0185
Btu/degF
Btu/degF
Microinch
1125
in^-6
in^-6
Person
1350
person
person
Ton of Oil Equivalent
1865
toe
toe
Foot per Minute
0650
ft/min
ft/min
Planck Current Density
Abtesla
abT
Jordanian Dinar
3
400
JOD
Jordan
Million US Dollars per Flight
1185
M$/Flight
M$/Flight
Pascal per Hour
P / hr
P / hr
BTU per Square Foot Hour Degree Fahrenheit
0205
Btu/(hr-ft^2-degF)
Btu/(hr-ft^2-degF)
International Unit
2062
IU
IU
Number
#
#
1250
Mega
M
Ampere per Square Meter
0065
A/m^2
A/m^2
Nepalese Rupee
2
524
NPR
Nepal
Hartree
A hartree (symbol E_h) is the atomic unit of energy. The hartree energy is equal to the absolute value of the electric potential energy of the hydrogen atom in its ground state.
E_h
E_h
Special Drawing Rights
960
XDR
International Monetary Fund
Planck Current
Biot
0130
Bi
Bi
Thermochemical Calorie
0330
cal
cal
Syrian Pound
2
760
SYP
Syria
Milligravity
2105
mG
mG
BTU per Hour Square Foot
0200
Btu/(hr-ft^2)
Btu/(hr-ft^2)
Haiti Gourde
2
332
HTG
Haiti
New Zealand Dollar
2
554
NZD
Cook Islands, New Zealand, Niue, Pitcairn, Tokelau
US Dry Quart
1540
dry_qt
dry_qt
Frame per Second
3000
fps
fps
Nat
A nat is a logarithmic unit of information or entropy, based on natural logarithms and powers of e, rather than the powers of 2 and base 2 logarithms which define the bit. The nat is the natural unit for information entropy. Physical systems of natural units which normalize Boltzmann's constant to 1 are effectively measuring thermodynamic entropy in nats.
nat
Erg Second
erg s
Ohm
1270
Ohm
ohm
Kroon
2
233
EEK
Estonia
Kilohertz
3025
KHz
KHz
Belize Dollar
084
2
BZD
Belize
BTU Inch per Square Foot Second Degree Fahrenheit
0180
Btu-in/(ft^2-s-degF)
Btu-in/(ft^2-s-degF)
Nautical Mile per Minute
nmi/min
nmi/min
Barn
0115
b
b
Kilocalorie per Square Centimeter Minute
0315
kcal/(cm^2-min)
kcal/(cm^2-min)
Colombian Peso
0
170
COP
Colombia
Hryvnia
2
980
UAH
Ukraine
Planck Power
Kilogram Kelvin
0990
kg-K
kg-K
Centimeter per Second Squared
cm/s^2
Philippine Peso
2
608
PHP
Philippines
Gram Degree Celsius
2020
g-degC
g-degC
Pico
p
Are
0090
a
a
Candela per Square Inch
0340
cd/in^2
cd/in^2
Percent
%
%
1345
Tesla Meter
m T
m T
Tesla Second
s T
s T
Steradian
1775
The steradian (symbol: sr) is the SI unit of solid angle. It is used to describe two-dimensional angular spans in three-dimensional space, analogous to the way in which the radian describes angles in a plane.
sr
sr
BTU per Square Foot
0250
Btu/ft^2
Btu/ft^2
Point
1380
pt
pt
Inch per Second
2066
Erg per Gram
Unit Pole
1900
A magnetic pole is a unit pole if it exerts a force of one dyne on another pole of equal strength at a distance of 1 cm. The strength of any given pole in cgs units is therefore numerically equal to the force in dynes which it exerts on a unit pole 1 cm away.
U/nWb
U/nWb
Roentgen
1595
R
R
Abvolt Centimeter
abV cm
abV cm
Zebi
Zi
Lumen per Watt
South Korean Won
0
410
KRW
South Korea
Millisecond
1616
ms
ms
Imperial
System of units_Imperial
Centimeter
2016
cm
cm
Tunisian Dinar
3
788
TND
Tunisia
Giga
G
Micrometer
2012
µm
µm
Planck Volume
Ampere Turn per Meter
0080
At/m
At/m
Mexican Peso
2
484
MXN
Mexico
North Korean Won
0
408
KPW
North Korea
Tablespoon
1795
tbsp
tbsp
Iranian Rial
0
364
IRR
Iran
Pascal
1325
Pa
Pa
Yocto
y
Dry Gallon US
dry_gal
dry_gal
Degree per Minute
Tebi
Ti
Vatu
0
548
VUV
Vanuatu
Relative Permeability
μr
Meter per Hour
m h^-1
m/h
Nephelometry Turbidity Unit
2560
NTU
NTU
Decibel
0505
dB
dB
Mega Hertz per Kelvin
MHz K^-1
MHz K^-1
Carat
0360
Nm/ct
Nm/ct
Pascal per Minute
P / min
Tesla
1805
T
T
Kip per Square Inch
1045
kip/in^2
kip/in^2
Volt
1905
V
V
Somoni
2
972
TJS
Tajikistan
Unidades de formento (Funds code)
0
990
CLF
Chile
Foot per Second
0655
ft/s
ft/s
Lithuanian Litas
2
440
LTL
Lithuania
Microsecond
1617
microsec
microsec
Gamma
0730
gamma
gamma
Hertz
3020
Hz
Hz
Somali Shilling
2
706
SOS
Somalia
Square Meter Kelvin
1710
m^2-K
m^2-K
CGS-EMU System of Units
CGS-EMU
Horsepower
0805
550 foot-pound force per second
HP
HP
Square Foot per Second
1695
ft^2/s
ft^2/s
Kilogram Second Squared
kg-s^2
Mho
1120
mho
mho
Watt per Steradian
1965
W sr^-1
Brunei Dollar
096
2
BND
Brunei
British Thermal Unit - Thermochemical Calorie
0155
Btu
BtuTC
Ounce per Square Yard
1310
oz/yd^2
oz/yd^2
Cedi
2
936
GHS
Ghana
Joule per Kilogram Kelvin per Cubic Meter
2032
J/(kg-K-m^3)
Kilocalorie per Square Centimeter Second
0320
kcal/(cm^2-s)
kcal/(cm^2-s)
Horsepower Electric
0815
hp/V
hp/V
Number per Year
#/yr
#/yr
1255
Lumen Second
lm s
Degree Celsius per Second
degC / s
degC / s
Slug per Foot
1650
slug/ft
slug/ft
Abhenry
0020
abH
abH
Australian Dollar
036
2
AUD
Australia, Australian Antarctic Territory, Christmas Island, Cocos (Keeling) Islands, Heard and McDonald Islands, Kiribati, Nauru, Norfolk Island, Tuvalu
US Survey Foot
ft
ftUS
US Peck
1335
pk
pk
Grade
0760
gr
gr
the tangent of an angle of inclination multiplied by 100
Stathenry
1755
statH
statH
Nuevo Sol
2
604
PEN
Peru
Convertible Marks
2
977
BAM
Bosnia and Herzegovina
Stere
1780
st
st
Ounce Troy
1315
An obsolete unit of mass; the Troy Ounce is 1/12th of a Troy Pound. Based on the international definition of a Troy Pound as 5760 grains, the Troy Ounce is exactly 480 grains, or 0.0311034768 kg.
oz
oz
United States Dollar (next day) (funds code)
2
997
USN
United States
Centimeter per Second
cm/s
Degree Fahrenheit Hour
0530
degF-hr
degF-hr
Watt per Square Meter
1950
Heat flux density, irradiance, power density
W/m^2
W/m^2
Atomic mass unit
The unified atomic mass unit (symbol: u) or dalton (symbol: Da) is a unit that is used for indicating mass on an atomic or molecular scale. It is defined as one twelfth of the rest mass of an unbound atom of carbon-12 in its nuclear and electronic ground state,[1] and has a value of 1.660538782(83)×10−27 kg.[2] One Da is approximately equal to the mass of one proton or one neutron. The CIPM have categorised it as a "non-SI unit whose values in SI units must be obtained experimentally".[1] [Wikipedia]
u
u
Bangladeshi Taka
050
2
BDT
Bangladesh
Mil Length
1165
mil
mil
Planck Time
t_P
Vietnamese ??ng
0
704
VND
Vietnam
Millihenry
2670
milliH
milliH
Rupiah
0
360
IDR
Indonesia
Ampere per Degree
2280
A/deg
A/deg
Teaspoon
1800
tsp
tsp
Tex
1810
tex
tex
Erg per Square Centimeter Second
0590
erg/(cm^2-s)
erg/(cm^2-s)
Slug per Square Foot
1665
slug/ft^2
slug/ft^2
Newton per Meter
1245
N/m
N/m
Meter Kilogram
1100
m-kg
m-kg
Libyan Dinar
3
434
LYD
Libya
Grain per Gallon
0770
gr/gal
gr/gal
Cubic Inch per Minute
0445
in^3/min
in^3/min
Naira
2
566
NGN
Nigeria
Planck Charge
Q_p
Q_p
Square Meter per Second
1720
m^2 s^-1
m^2 s^-1
Tera
T
Pound Force per Square Inch
1450
psi
psi
Cubic Meter
0450
m^3
m^3
Pica
1360
Pm
Pm
Decibel Carrier Unit
2520
dBc
dBc
Joule per Square Tesla
J T^-2
J T^-2
Unitless
An explicit unit to say something has no units.
U
unitless
Planck Force
Therm US
1830
therm (US)
therm (US)
Degree Fahrenheit
0525
degF
degF
Heart Beat per Minute
2335
BPM
BPM
US Dry Pint
1370
dry_pt
dry_pt
Cubic Meter per Kilogram Second Squared
m^3 kg^-1 s^-2
m^3 kg^-1 s^-2
Swiss Franc
2
756
CHF
Switzerland, Liechtenstein
Malaysian Ringgit
2
458
MYR
Malaysia
Mexican Unidad de Inversion (UDI) (Funds code)
2
979
MXV
Mexico
Square Inch
1700
in^2
in^2
Electron Volt per Kelvin
eV K^-1
eV K^-1
Qatari Rial
2
634
QAR
Qatar
Revolution per Second
1585
rev/s
rev/s
Volt per Square Meter
V m^-2
V m^-2
Balboa
2
590
PAB
Panama
Planck Length
l_P
Cubic Foot per Minute
0430
ft^3/min
ft^3/min
Joule per Cubic Meter
0890
J/m^3
J/m^3
BTU per Second
0235
Btu/s
Btu/s
Katal
0925
kat
kat
Foot Pound per Square Foot
0690
ft-lbf/ft^2
ft-lbf/ft^2
Square Foot per BTU Inch
1680
ft^2/(Btu-in)
ft^2/(Btu-in)
Acre Foot
0045
ac-ft
ac-ft
US Gallon per Minute
0720
gal/min
gal/min
Djibouti Franc
0
262
DJF
Djibouti
Horsepower Water
0825
hp/H2O
hp/H2O
Cubic Millimeter
0453
m^3
mm^3
Boliviano
068
2
BOB
Bolivia
Abvolt
0035
abV
abV
Pound Force Second per Square Inch
1460
lbf-s/in^2
lbf-s/in^2
Joule per Cubic Meter Kelvin
J/(m^3 K)
J/(m^3 K)
Joule per Kilogram Kelvin
0905
J/(kg-K)
J/(kg-K)
Armenian Dram
0
051
AMD
Armenia
Mega Electron Volt Femtometer
MeV fm
MeV fm
Rial Omani
3
512
OMR
Oman
Cubic Meter per Kilogram
m^3/kg
m^3/kg
Pound per Foot Hour
1495
lb/(ft-hr)
lb/(ft-hr)
Kip
1000 pound-force
1040
kip
kip
Mil Angle (NATO)
1135
The Mil unit of plane angle, as defined by NATO to be 1/6400 of a circle.
mil
mil
Ton metric
Inch
0860
in
in
Watt Square Meter
W m^2
W m^2
Degree Angle
0510
deg
°
Mole per Kilogram
mol/kg
US Dollar
0555
2
840
USD
American Samoa, British Indian Ocean Territory, Ecuador, El Salvador, Guam, Haiti, Marshall Islands, Micronesia, Northern Mariana Islands, Palau, Panama, Puerto Rico, East Timor, Turks and Caicos Islands, United States, Virgin Islands
Planck Mass
m_P
Rwanda Franc
0
646
RWF
Rwanda
Pound Force per Inch
1435
lbf/in
lbf/in
Candela per Square Meter
0345
cd/m^2
cd/m^2
Statcoulomb
1745
statC
statC
Radian
1555
The radian is the standard unit of angular measure, used in many areas of mathematics. It describes the plane angle subtended by a circular arc as the length of the arc divided by the radius of the arc. The unit was formerly a SI supplementary unit, but this category was abolished in 1995 and the radian is now considered a SI derived unit. The SI unit of solid angle measurement is the steradian.
The radian is represented by the symbol "rad" or, more rarely, by the superscript c (for "circular measure"). For example, an angle of 1.2 radians would be written as "1.2 rad" or "1.2c" (the second symbol is often mistaken for a degree: "1.2°"). As the ratio of two lengths, the radian is a "pure number" that needs no unit symbol, and in mathematical writing the symbol "rad" is almost always omitted. In the absence of any symbol radians are assumed, and when degrees are meant the symbol ° is used. [Wikipedia]
rad
rad
Surinam Dollar
2
968
SRD
Suriname
Lumen
1075
lm
lm
Degree Rankine
0545
degR
degR
Indian Rupee
2
356
INR
Bhutan, India
Lari
2
981
GEL
Georgia
Oersted
1260
Oe
Oe
Launch
1060
Pound Force Inch
1425
lbf-in
lbf-in
Centipoise
0370
cP
cP
Square Foot Hour Degree Fahrenheit
0845
ft^2-hr-degF
ft^2-hr-degF
Ampere Hour
0055
A-hr
A-hr
Seychelles Rupee
2
690
SCR
Seychelles
Brazilian Real
2
986
BRL
Brazil
BTU per Hour
0195
Btu/hr
Btu/hr
The British thermal unit (BTU or Btu) is a traditional unit of energy equal to about 1 055.05585 joules. It is approximately the amount of energy needed to heat 1 pound (0.454 kg) of water from 39 °F (3.9 °C) to 40 °F (4.4 °C). The unit is most often used in the power, steam generation, heating and air conditioning industries. In scientific contexts the BTU has largely been replaced by the SI unit of energy, the joule, though it may be used as a measure of agricultural energy production (BTU/kg). [Wikipedia]
Watt per Square Foot
W/ft^2
W/ft^2
Joule per Kelvin
J K^-1
J/K
Ampere Turn
0070
At
At
Candlepower
0355
cd
cd
Palladium (one Troy ounce)
964
XPD
Degree Fahrenheit per Minute
degF / m
degF / m
US Gallon per Day
0715
gal/d
gal/d
Per Tesla Meter Unit
m^-1 T^-1
m^-1 T^-1
Ounce per Square Foot
1305
oz/ft^2
oz/ft^2
Exa
E
Danish Krone
2
208
DKK
Denmark, Faroe Islands, Greenland
Ounce per Cubic Inch
1295
oz/in^3
oz/in^3
Kilogram Force Meter
0980
kgf-m
kgf-m
Register Ton
1835
RT
RT
The register ton is a unit of volume used for the cargo capacity of a ship, defined as 100 cubic feet (roughly 2.83 cubic metres).
Revolution per Minute
1580
rev/min
rev/min
Chilean Peso
0
152
CLP
Chile
US Liquid Ounce
1320
oz
oz
Abvolt per centimeter
abV/cm
Slug per Second
1660
slug/s
slug/s
Meter per Kelvin
2044
m/K
BTU per Pound Degree Rankine
0220
Btu/(lb-degR)
Btu/(lb-degR)
Hertz per Kelvin
Hz K^-1
Hz K^-1
Kilogram per Cubic Meter
0995
kg/m^3
kg/m^3
Phot
1355
ph
ph
ISO 4217 Currencies
ISO4217
Pound Force per Foot
1430
lbf/ft
lbf/ft
Gauss
0735
G
G
Megabit per Second
3015
mbps
mbps
Per Cubic Meter
/m^3
1091
m^-3
Centistokes
0375
cSt
cSt
BTU per Pound Degree Fahrenheit
0215
Btu/(lb-degF)
Btu/(lb-degF)
Degree Centigrade
0520
DegC
DegC
Abampere
0005
The abampere (aA), also called the biot after Jean-Baptiste Biot, is the basic electromagnetic unit of electric current in the emu-cgs system of units (electromagnetic cgs). One abampere is equal to ten amperes in the SI system of units. [Wikipedia]
abA
abA
Ounce Force Inch
1285
ozf-in
ozf-in
Rufiyaa
2
462
MVR
Maldives
Pound per Hour
1510
lb/hr
lb/hr
Netherlands Antillian Guilder
2
532
ANG
Netherlands Antilles
Gram
0970
g
g
Standard Atmosphere
0100
atm
atm
Statohm
1765
statOhm
statOhm
Foot Pound Force per Second
0685
ft-lbf/s
ft-lbf/s
Gravity
2100
G
G
Kilogram per Meter
1000
kg/m
kg/m
Euro
2
978
EUR
European Union, see eurozone
Radian per Hour
rad/h
rad/h
Square Centimeter Second
2024
cm^2-s
Per Square Giga Electron Volt Unit
GeV^-2
GeV^-2
Kilogram Force per Square Centimeter
0985
kgf/cm^2
kgf/cm^2
Abfarad per Centimeter
abF/cm
Degree Fahrenheit Hour per BTU
0535
degF-hr/Btu
degF-hr/Btu
Sv
1635
Sv
Although the sievert has the same dimensions as the gray (i.e. joules per kilogram), it measures a different quantity. To avoid any risk of confusion between the absorbed dose and the equivalent dose, the corresponding special units, namely the gray instead of the joule per kilogram for absorbed dose and the sievert instead of the joule per kilogram for the dose equivalent, should be used.
Sievert
Gray per Second
0780
Gy/s
Gy/s
Sudanese Pound
2
938
SDG
Sudan
Picofarad
2665
pF
pF
Coulomb per Mole
C mol^-1
Yotta
Y
Cubic Foot per Second
0435
ft^3/s
ft^3/s
Square degree
deg^2
deg^2
Nano
n
Latvian Lats
2
428
LVL
Latvia
Foot per Second Squared
0660
ft/s^2
ft/s^2
Kina
2
598
PGK
Papua New Guinea
Mole
1210
mol
mol
Franc Congolais
2
976
CDF
Democratic Republic of Congo
SI
International System of Units
Per Tesla Second Unit
s^-1 T^-1
s^-1 T^-1
Namibian Dollar
2
516
NAD
Namibia
Imperial Gallon
0710
gal
galIMP
Gold franc (special settlement currency)
XFO
Bank for International Settlements
Japanese yen
0
392
JPY
Japan
Square Foot Degree Fahrenheit
1675
ft^2-degF
ft^2-degF
Light Year
1065
A unit of length defining the distance, in meters, that light travels in a vacuum in one year.
ly
ly
Unidad de Valor Real
2
970
COU
Colombia
Bolivian Mvdol (Funds code)
2
984
BOV
Bolivia
Pound Force Second per Square Foot
1455
lbf-s/ft^2
lbf-s/ft^2
Square Centimeter Minute
2042
cm^2-m
cm^2-m
Square Foot Second Degree Fahrenheit
1610
ft^2-s-degF
ft^2-s-degF
Coulomb
0400
C
C
Femto
f
Million US Dollars
1180
Million USD
Breath
2000
Dobra
0
678
STD
S�o Tom� and Pr�ncipe
Guarani
0
600
PYG
Paraguay
Pula
072
2
BWP
Botswana
Mole Degree Celsius
2004
mol-degC
mol-degC
Degree Celsius per Hour
degC / hr
degC / hr
Foot Poundal
0665
ft-pdl
ft-pdl
East Caribbean Dollar
2
951
XCD
Anguilla, Antigua and Barbuda, Dominica, Grenada, Montserrat, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines
Planck Momentum
Giga Electron Volt
2422
GeV
GeV
Shake
1625
Sh
Sh
Fractional area
fa
fa
Clo
0390
clo
clo
Erg
0580
erg
erg
Pound Sterling
2
826
GBP
United Kingdom
Minute Angle
'
Fathom
0610
fath
fath
Zloty
2
985
PLN
Poland
Year Sidereal
1985
A sidereal year is the time taken for Sun to return to the same position with respect to the stars of the celestial sphere.
yr
yr
Joule per Tesla
J T^-1
US Liquid Pint
1375
pt
pt
1175
mmHg
Millimeter of Mercury
The millimeter of mercury is defined as the pressure exerted at the base of a column of fluid exactly 1 mm high, when the density of the fluid is exactly 13.5951 g/cm3, at a place where the acceleration of gravity is exactly 9.80665 m/s^2.
mmHg
Bit
3045
In information theory, a bit is the amount of information that, on average, can be stored in a discrete bit. It is thus the amount of information carried by a choice between two equally likely outcomes. One bit corresponds to about 0.693 nats (ln(2)), or 0.301 hartleys (log10(2)).
b
b
Norwegian Krone
2
578
NOK
Norway
Statvolt per Centimeter
statV/cm
Pascal per Second
P / s
P / s
Erg per Second
0585
erg/s
erg/s
Cubic Meter per Second Squared
m^3/s^2
Square Meter Kelvin per Watt
(K^2)m/W
(K^2)m/W
0955
Dyne
0560
dyn
dyn
Heart Beat
2054
Kilopond
1020
Same as kilogramForce
kp
kp
Slug per Foot Second
1655
slug/(ft-s)
slug/(ft-s)
Henry
0790
H
H
Stokes
1790
St
St
Malawi Kwacha
2
894
MWK
Malawi
Cubic Centimeter
2028
cm^3
cm^3
Horsepower Boiler
0810
hp/boiler
hp/boiler
Algerian Dinar
012
2
DZD
Algeria
Kilocalorie per Mole Degree Celsius
0300
kcal/(mol-degC)
kcal/(mol-degC)
Degree per Hour
2181
deg/h
deg/h
Statampere
1740
statA
statA
Silver (one Troy ounce)
961
XAG
Kilometer
1091
km
km
0485
The unified atomic mass unit (symbol: u) or dalton (symbol: Da) is a unit that is used for indicating mass on an atomic or molecular scale. It is defined as one twelfth of the rest mass of an unbound atom of carbon-12 in its nuclear and electronic ground state,[1] and has a value of 1.660538782(83)×10−27 kg.[2] One Da is approximately equal to the mass of one proton or one neutron. The CIPM have categorised it as a "non-SI unit whose values in SI units must be obtained experimentally".[1] [Wikipedia]
Da
Dalton
Da
Cubic Foot
0425
ft^3
ft^3
Kilogram per Hour
2056
kg/h
kg/h
Abvolt Second
abV-s
Cubic Meter per Kelvin
2060
m^3/K
US Customary
US Customary Unit System
Diopter
2064
A dioptre, or diopter, is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres (that is, 1/metres). For example, a 3 dioptre lens brings parallel rays of light to focus at 1/3 metre. The same unit is also sometimes used for other reciprocals of distance, particularly radii of curvature and the vergence of optical beams.
Though the diopter is based on the SI-metric system it has not been included in the standard so that there is no international name or abbreviation for this unit of measurement—within the international system of units this unit for optical power would need to be specified explicitly as the inverse metre. [Wikipedia]
D
D
Atomic mass unit
0486
The unified atomic mass unit (symbol: u) or dalton (symbol: Da) is a unit that is used for indicating mass on an atomic or molecular scale. It is defined as one twelfth of the rest mass of an unbound atom of carbon-12 in its nuclear and electronic ground state,[1] and has a value of 1.660538782(83)×10−27 kg.[2] One Da is approximately equal to the mass of one proton or one neutron. The CIPM have categorised it as a "non-SI unit whose values in SI units must be obtained experimentally".[1] [Wikipedia]
u
u
Nanofarad
2660
nF
nF
US Liquid Cup
0475
cup
cup
Megahertz
3030
MHz
MHz
Torr
1890
torr
torr
Electron Volt per Tesla
eV T^-1
eV T^-1
Newton per Coulomb
1235
N/C
N/C
Ampere per Radian
A/rad
Atomic Number
2220
Z
Z
Ton - Long
1850
ton
ton
Nautical Mile per Hour
nmi/hr
nmi/hr
Coulomb per Meter
2050
C/m
C/m
Deca
da
Watt per Square Meter Kelvin
1955
W/(m^2-K)
W/(m^2-K)
Kilobit per Second
3010
kbps
kbps
Pound per Minute
1520
lb/min
lb/min
Forint
0
348
HUF
Hungary
Gray
0775
Gy
Gy
Kelvin per Minute
K / m
K / m
Imperial Ounce
1290
oz
oz
Ounce Force
1280
ozf
ozf
Square Coulomb Meter per Joule
C^2 m^2 J^-1
C^2 m^2 J^-1
Yuan Renminbi
1
156
CNY
Mainland China
BTU per Pound Mole Degree Fahrenheit
0230
Btu/(lb-mol-degF)
Btu/(lb-mol-degF)
Joule per Kilogram
0900
J/kg
J/kg
Day
0490
Mean solar day
d
d
Meter Kelvin per Watt
0940
K-m/W
K-m/W
Uzbekistan Som
2
860
UZS
Uzbekistan
Pound Force per Pound
1440
lbf/lb
lbf/lb
Guinea Franc
0
324
GNF
Guinea
Hundred Weight - Short
0855
cwt
cwt
Cubic Meter per Mole
m^3 mol^-1
m^3 mol^-1
Franklin
0700
Fr
Fr
Arc Second
1600
arcSec
arcSec
Coulomb Square Meter
C m^2
C m^2
Radian per Second
1560
rad/s
rad/s
Ampere per Joule
A J^-1
A/J
Leone
0
694
SLL
Sierra Leone
International Unit per Liter
2515
IU/L
IU/L
Zepto
z
MilliTorr
2046
utorr
utorr
Per Mole Unit
mol^-1
mol^-1
Day Sidereal
0495
d
d
Liter
1070
L
L
Second Time Squared
1620
s^2
s^2
Square Foot per Hour
1690
ft^2/hr
ft^2/hr
Second
1615
s
s
Electron Volt Second
eV s
eV s
Croatian Kuna
191
2
HRK
Croatia
Watt per Square Inch
1940
W/in^2
W/in^2
Malagasy Ariary
0
969
MGA
Madagascar
Pakistan Rupee
2
586
PKR
Pakistan
European Unit of Account 17 (E.U.A.-17) (Bonds market unit)
958
XBD
Bonds market unit
CFP franc
0
953
XPF
French Polynesia, New Caledonia, Wallis and Futuna
United Arab Emirates dirham
2
784
AED
United Arab Emirates
Cubic Meter per Second
0455
m^3/s
m^3/s
Dalasi
2
270
GMD
Gambia
Becquerel
0125
Bq
Bq
Watt per Square Centimeter
1935
W/cm^2
W/cm^2
Dyne per Square Centimeter
0570
dyn/cm^2
dyn/cm^2
Trinidad and Tobago Dollar
2
780
TTD
Trinidad and Tobago
Pound Mole Degree Fahrenheit
1470
lb-mol-degF
lb-mol-degF
Barrel
0120
bbl
bbl
Metric Ton
1115
Also called tonne
mT
mT
Kibi
Ki
Kelvin per Hour
K / h
K / h
Watt per Meter Kelvin
1930
W/(m*K)
W/(m*K)
Kilometer per Hour
1015
km/hr
km/hr
Pound per Cubic Meter
lb/m^3
lbm/m^3
Acre
0040
ac
ac
Degree Celsius Centimeter
2008
cm-degC
cm-degC
Kilogram Meter Per Second
2058
kg m s^-1
kg-m/s
Minute Time
1205
min
min
Ton of Refrigeration
12000 btu per hour
1870
t/fg
t/fg
Azerbaijanian Manat
2
944
AZN
Azerbaijan
Lambert
1055
L
L
Falkland Islands Pound
2
238
FKP
Falkland Islands
Kilometer per Second
1106
km/s
km/s
Peso Uruguayo
2
858
UYU
Uruguay
Mega Electron Volt per Speed of Light
MeV/c
MeV/c
Joule Second
2036
J s
J s
Poundal per Square Foot
1395
pdl/ft^2
pdl/ft^2
Hundred Weight - Long
0850
cwt
cwt
Square Foot
1670
ft^2
ft^2
Foot Pound Force Second
lbf / s
lbf / s
United States Dollar (same day) (funds code)
2
998
United States
Siemens
1630
S
S
Millimeter of Mercury - Absolute
2002
Millimeters of Mercury inclusive of atmospheric pressure
mmHgA
mmHgA
Cape Verde Escudo
192
2
CVE
Cape Verde
Ounce per Gallon
1300
oz/gal
oz/gal
The electrostatic system of units is a system of units used to measure electrical quantities of electric charge, current, and voltage, within the centimeter gram second (or "CGS") metric system of units. In electrostatic units, electrical charge is defined via the force it exerts on other charges.
CGS-ESU System of Units
CGS-ESU
Cubic Yard per Minute
0470
yd^3/min
yd^3/min
Square Foot Hour Degree Fahrenheit per BTU
(degF-hr-ft^2)/Btu
(degF-hr-ft^2)/Btu
0540
Ton Short per Cubic Yard
1885
ton/yd
ton/yd