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This ontology is designed to represent standard measurement units that are used when measuring various attributes of entities.
Units of Measure Ontology
Version 2.0
SI unit label
An Alternative Label that is officially accepted for use in the International System of Units (SI) as denoting a Measurement Unit.
SI unit symbol
An Acronym that is officially accepted for use in the International System of Units (SI) as denoting a Measurement Unit.
Measurement Unit of Flow
A Measurement Unit that is used as a standard for measurement of the rate at which portions of a substance pass per unit of time.
Measurement Unit of Acceleration
A Measurement Unit that is used as a standard for measurement of the rate at which objects change their velocities per unit of time.
feet per second per second, kilometers per second per second
The type of particle quantified is typically either atoms or molecules, but may also be protons, neutrons, electrons, quarks, or other particles. The type of particle being measured should always be specified along with the measurement and its unit.
Measurement Unit of Amount of Substance
Measurement Unit of Chemical Amount
Measurement Unit of Enplethy
A Measurement Unit that is used as a standard for measurement of the number of a specified type of particle in a portion of matter.
Measurement Unit of Sound Level
A Measurement Unit that is used as a standard for measurement of the level (the loudness) of sounds.
Measurement Unit of Area
A Measurement Unit that is used as a standard for measurement of two-dimensional regions or Geospatial Regions.
square feet, square meters, acre, hectare
Measurement Unit of Power
A Measurement Unit that is used as a standard for measurement of rates of work.
Measurement Unit of Mass
A Measurement Unit that is used as a standard for measurement of an object's resistance to Acceleration when a Force is applied to the object.
Measurement Unit of Volumetric Flow Rate
A Measurement Unit of Flow that is used as a standard for measurement of the rate at which volumes of fluid pass per unit time.
cubic metres per second, standard cubic centimeters per minute, cubic feet per second, gallons per minute
Measurement Unit of Energy
A Measurement Unit that is used as a standard for measurement of the Amount of work that is available in an object.
Measurement Unit of Force
A Measurement Unit that is used as a standard for measurement of interactions in which the Motion or Velocity of an object is changed, unless the interaction is opposed.
Measurement Unit of Area Moment of Inertia
Measurement Unit of Second Area Moment
A Measurement Unit that is used as a standard for measurement of the distribution of Mass of an object with respect to an axis.
A measure of an object’s resistance to bending or deflection.
Measurement Unit of Rotational Inertia
Measurement Unit of Moment of Inertia
Measurement Unit of Rotational Mass
A Measurement Unit that is used as a standard for measurement of the distribution of Mass of an object with respect to its axis of rotation.
A measure of an object’s resistance to change in its state of rotation.
Measurement Unit of Torque
Measurement Unit of Moment of Force
Measurement Unit of Rotational Force
A Measurement Unit that is used as a standard for measurement of the rate of change of angular momentum of an object.
Measurement Unit of Angle
A Measurement Unit that is used as a standard for measurement of the angle between two lines or planes in relation to a vertex.
Measurement Unit of Density
A Measurement Unit that is used as a standard for measurement of the mass of an object per unit of its total volume.
Measurement Unit of Temperature
A Measurement Unit that is used as a standard for measurement of the thermal energy in an object.
Measurement Unit of Work
A Measurement Unit that is used as a standard for measurement of displacements of points to which Forces have been applied.
Measurement Unit of Momentum
A Measurement Unit that is used as a standard for measurement of the Momentum of a portion of matter that is in Motion.
Measurement Unit of Frequency
A Measurement Unit that is used as a standard for measurement of the number of times an event repeats per unit of time.
Measurement Unit of Speed
A Measurement Unit that is used as a standard for measurement of the rates at which objects traverse distance.
miles per hour, kilometers per hour, knot, mach
Measurement Unit of Electromagnetic Force
A Measurement Unit that is used as a standard for measurement of the electromagnetic force between electrically charged entities.
Measurement Unit of Pressure
A Measurement Unit that is used as a standard for measurement of Force applied perpendicular to a surface per unit area.
pascal, atmosphere, pound-force per square inch
Measurement Unit of Length
A Measurement Unit that is used as a standard for measurement of one-dimensional regions or Geospatial Regions.
Measurement Unit of Mass Flow Rate
A Measurement Unit of Flow that is used as a standard for measurement of the rate at which the Mass of a substance passes per unit time.
kilogram per second, slug per second, pound per second
Measurement Unit of Volume
A Measurement Unit that is used as a standard for measurement of sites or three-dimensional regions or Geospatial Regions.
Measurement Unit of Impulse
A Measurement Unit that is used as a standard for measurement of the integral of a Force applied to a portion of matter over a temporal interval.
Measurement Unit of Time
A Measurement Unit that is used as a standard for measurement of temporal regions.
Minute of Arc Measurement Unit
Arcminute
MOA
amin
arcmin
Slug Measurement Unit
slug
Erg Measurement Unit
erg
Tablespoon Measurement Unit
Centimeter Measurement Unit
Kilogram Per Liter Measurement Unit
Shaft Horsepower Measurement Unit
shp
Pound Force Measurement Unit
lbf
Milligram Measurement Unit
Cubic Centimeter Measurement Unit
cm^3
Kilogram-Mole Measurement Unit
kg-mol
kilogram-mole
Quart Measurement Unit
Deciliter Measurement Unit
Miles Per Second Measurement Unit
mi/s
Kilometers Per Hour Measurement Unit
km/h
Gram-Mole Measurement Unit
g-mol
gram-mole
Kilogram Force Per Centimeter Square Measurement Unit
Kilogram Per Square Centimeter Measurement Unit
Kilopond Per Centimeter Square Measurement Unit
Mile Measurement Unit
Liter Measurement Unit
Litre
Square Yard Measurement Unit
yd^2
Week Measurement Unit
Year Measurement Unit
Centiliter Measurement Unit
Volt Measurement Unit
Milliampere Measurement Unit
Binary Degree Measurement Unit
Binary Radian
Brad
Square Mile Measurement Unit
mi^2
Pound Per Second Measurement Unit
lb/s
Twenty Foot Equivalent Unit
Kilomole Measurement Unit
kilomole
kmol
Revolutions Per Day Measurement Unit
r/day
Kilometers Per Second Measurement Unit
km/s
Megahertz Measurement Unit
MHz
Square Centimeter Measurement Unit
cm^2
Cubic Millimeter Measurement Unit
mm^3
Atmosphere Measurement Unit
atm
Kilohertz Measurement Unit
kHz
Kilogram Measurement Unit
Angstrom Measurement Unit
Angstrom
Ångström
One mole contains exactly 6.02214076×10^23 elementary entities.
Mole Measurement Unit
Square Kilometer Measurement Unit
km^2
Radian Measurement Unit
Kilonewton Measurement Unit
Yard Measurement Unit
yrd
Sone Measurement Unit
sone
Square Meter Measurement Unit
m^2
Kiloliter Measurement Unit
Decibel Isotropic Measurement Unit
Decibels Relative to an Isotropic Reference Antenna
Newton Meter Measurement Unit
Meters Per Second Measurement Unit
m/s
Square Foot Measurement Unit
ft^2
Pint Measurement Unit
Newton Measurement Unit
Mach Measurement Unit
Kilogram Meter Per Second Measurement Unit
kg m/s
Cubic Meter Per Second Measurement Unit
Hour Measurement Unit
Second Measurement Unit
Meters Per Second Per Second Measurement Unit
m/s/s
m/s^2
Decimeter Measurement Unit
Short Ton Measurement Unit
Net Ton
ton (US)
Dyne Measurement Unit
dyn
Cubic Foot Measurement Unit
ft^3
Gram Measurement Unit
Pound Foot Measurement Unit
Pound Foot Second Square Measurement Unit
Pascal Measurement Unit
Calorie Measurement Unit
cal
Horsepower Measurement Unit
Decigram Measurement Unit
Watt Measurement Unit
Ounce Measurement Unit
Gram Per Cubic Centimeter Measurement Unit
Kilogram Per Cubic Meter Measurement Unit
Day Measurement Unit
Kelvin Measurement Unit
Teaspoon Measurement Unit
Revolutions Per Minute Measurement Unit
r/min
rpm
Milliliter Measurement Unit
Liter Per Second Measurement Unit
l/s
Feet Per Second Measurement Unit
ft/s
Newton Second Per Kilogram Measurement Unit
Ns/kg
Bayre Measurement Unit
Cubic Inch Measurement Unit
in^3
Kilogram Per Second Measurement Unit
Kilometer Measurement Unit
Miles Per Hour Measurement Unit
mi/h
mph
Degree Measurement Unit
Degree Celsius Measurement Unit
Pound-Mole Measurement Unit
lb-mol
lbmol
pound-mole
Gradian Measurement Unit
Gon
Grad
Grade
Gallon Measurement Unit
gal
Bar Measurement Unit
bar
Kilovolt Ampere Measurement Unit
kVA
Nautical Mile Measurement Unit
nmi
Phon Measurement Unit
phon
Nanometer Measurement Unit
Nanometre
Kilogram Meter Square Measurement Unit
Millimeter Measurement Unit
Millibar Measurement Unit
mbar
Cubic Feet Per Second Measurement Unit
ft^3/s
Square Inch Measurement Unit
in^2
Knot Measurement Unit
Feet Per Second Per Second Measurement Unit
ft/s/s
ft/s^2
Gram Per Second Measurement Unit
g/s
Joule Measurement Unit
Newton Second Measurement Unit
N s
Newton second
Turn Measurement Unit
Cycle
Full Circle
Revolution
Rotation
Cubic Meter Measurement Unit
m^3
Decibel Measurement Unit
Minute Measurement Unit
Gigahertz Measurement Unit
GHz
Square Decimeter Measurement Unit
dm^2
Slug Foot Per Second Measurement Unit
slug ft/s
Metric Ton Measurement Unit
tonne
Inch Measurement Unit
Cubic Decimeter Measurement Unit
dm^3
Miles Per Second Per Second Measurement Unit
mi/s/s
Gallon Per Minute Measurement Unit
gal/min
Kilopond Measurement Unit
Kilogram Force Measurement Unit
Kilogram-Force
kgf
Meter Measurement Unit
Second of Arc Measurement Unit
Arcsecond
arcsec
asec
Standard Cubic Centimeter Per Minute Measurement Unit
cm^3/min
Cubic Yard Measurement Unit
yrd^3
British Thermal Unit Measurement Unit
BTU
Btu
Pounds Per Square Inch Measurement Unit
psi
Centigram Measurement Unit
Kilometers Per Second Per Second Measurement Unit
km/s/s
Long Ton Measurement Unit
Displacement Ton
Gross Ton
Imperial Ton
Weight Ton
ton (UK)
Acre Measurement Unit
acre
Month Measurement Unit
Quartic Meter Measurement Unit
Dyne Second Measurement Unit
dyne s
dyne second
Square Millimeter Measurement Unit
mm^2
Foot Measurement Unit
Terahertz Measurement Unit
THz
Degree Fahrenheit Measurement Unit
Pound Measurement Unit
Volt Ampere Measurement Unit
Hertz Measurement Unit
cycles per second
Slug Per Second Measurement Unit
slug/s