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UnitOfMeasure comparison table
Subject be first domain of be second domain of documentation have axiom be third domain of is a kind of is an instance of have relatedInternalConcept
AmuDensityFnMeasureFnAtomic mass unit. Symbol: u. It is the mass of the twelfth part of an atom of the Carbon 12 isotope
(equal
(MeasureFn ?NUMBER Amu)
(MeasureFn (MultiplicationFn ?NUMBER 1.6605402E-27) Kilogram))
  UnitOfMeasure 
AngstromMagnitudeFnMeasureFnThe Angstrom is a LengthMeasure. 1 Angstrom = 10^(-10)
(equal
(MeasureFn ?NUMBER Angstrom)
(MeasureFn (MultiplicationFn ?NUMBER 1.0E-10) Meter))
distance UnitOfMeasure 
AngularDegreeTangentFnMeasureFnA PlaneAngleMeasure
(equal
(MeasureFn ?NUMBER AngularDegree)
(MeasureFn (MultiplicationFn ?NUMBER (DivisionFn Pi 180)) Radian))
  UnitOfMeasure 
AtomGramDensityFnMeasureFnMassMeasure that is also known as the gram-atom. Defined as the mass in grams of 1 Mole of pure substance. For example, 1 AtomGram of Carbon 12 will be 12 Grams of pure Carbon 12. 2 AtomGrams of the same substance will be 24 Grams of it. This is an unusual unit in that it is essentially 1 Mole of 'stuff' measured in grams, so that the actual value (i.e. mass) depends on the type of substance
(=>
(and
(instance ?REL RelationExtendedToQuantities)
(instance ?REL BinaryRelation)
(instance ?NUMBER1 RealNumber)
(instance ?NUMBER2 RealNumber)
(holds ?REL ?NUMBER1 ?NUMBER2))
(forall (?UNIT)
(=>
(instance ?UNIT UnitOfMeasure)
(holds ?REL (MeasureFn ?NUMBER1 ?UNIT) (MeasureFn ?NUMBER2 ?UNIT)))))
  UnitOfMeasure 
BitMagnitudeFnMeasureFnOne Bit of information. A one or a zero
(equal
(MeasureFn ?NUMBER Byte)
(MeasureFn (MultiplicationFn ?NUMBER 8) Bit))
  UnitOfMeasure 
BritishThermalUnitSubtractionFnMeasureFnAn EnergyMeasure
(equal
(MeasureFn ?NUMBER BritishThermalUnit)
(MeasureFn (MultiplicationFn ?NUMBER 1055.05585262) Joule))
domainSubclass UnitOfMeasure 
ByteMagnitudeFnMeasureFnOne Byte of information. A Byte is eight Bits
(equal
(MeasureFn ?NUMBER KiloByte)
(MeasureFn (MultiplicationFn ?NUMBER 1024) Byte))
  UnitOfMeasure 
CalorieSubtractionFnMeasureFnA Calorie is an EnergyMeasure
(equal
(MeasureFn ?NUMBER Calorie)
(MeasureFn (MultiplicationFn ?NUMBER 4.1868) Joule))
domainSubclass UnitOfMeasure 
CentimeterMagnitudeFnMeasureFnSubmultiple of Meter. Symbol: cm. It is the 100th part of a Mete
(equal
(MeasureFn ?NUMBER Centimeter)
(MeasureFn (MultiplicationFn ?NUMBER 0.01) Meter))
distance UnitOfMeasure 
CentUnitedStatesMagnitudeFnMeasureFnA CurrencyMeasure. 1 US cent = 10^-2 US dollars
(equal
(MeasureFn ?NUMBER CentUnitedStates)
(MeasureFn (MultiplicationFn ?NUMBER .01) DollarUnitedStates))
  UnitOfMeasure 
CupMagnitudeFnDensityFnEnglish unit of volume equal to 1/2 of a Pint
(equal
(MeasureFn ?NUMBER Ounce)
(MeasureFn (DivisionFn ?NUMBER 8) Cup))
  VolumeMeasure 
DayDurationSubtractionFnMeasureFnTime unit. 1 day = 24 hours
(equal
(MeasureFn ?NUMBER YearDuration)
(MeasureFn (MultiplicationFn ?NUMBER 365) DayDuration))
  UnitOfMeasure 
DollarUnitedStatesMagnitudeFnMeasureFnA CurrencyMeasure
(equal
(MeasureFn ?NUMBER CentUnitedStates)
(MeasureFn (MultiplicationFn ?NUMBER .01) DollarUnitedStates))
  UnitOfMeasure 
ElectronVoltSubtractionFnMeasureFnThe ElectronVolt is an EnergyMeasure. Symbol: eV. It is the kinetic energy acquired by an electron in passing through a potential difference of 1 Volt in a vacuum
(equal
(MeasureFn ?NUMBER ElectronVolt)
(MeasureFn (MultiplicationFn ?NUMBER 1.60217733E-19) Joule))
domainSubclass UnitOfMeasure 
FootMagnitudeFnMeasureFnEnglish length unit of feet
(equal
(MeasureFn ?NUMBER Foot)
(MeasureFn (MultiplicationFn ?NUMBER 0.3048) Meter))
distance UnitOfMeasure 
GigaHertzSubtractionFnMeasureFnMultiple of Hertz. Symbol: GHz. A FrequencyMeasure equal to one billion times per SeconDuration. 1 GigaHertz = 10^9 Hertz
(equal 
(MeasureFn ?NUMBER GigaHertz)
(MeasureFn (MultiplicationFn ?NUMBER 1.0E9) Hertz))
domainSubclass UnitOfMeasure 
GramDensityFnMeasureFnSubmultiple of Kilogram. Symbol: g. 1 Kilogram = 1000 Grams
(equal
(MeasureFn ?NUMBER Kilogram)
(MeasureFn (MultiplicationFn ?NUMBER 1000) Gram))
  UnitOfMeasure 
HourDurationSubtractionFnMeasureFnTime unit. 1 hour = 60 minutes
(equal
(MeasureFn ?NUMBER HourDuration)
(MeasureFn (MultiplicationFn ?NUMBER 60) MinuteDuration))
  UnitOfMeasure 
InchMagnitudeFnMeasureFnEnglish length unit of inches
(equal
(MeasureFn ?NUMBER Inch)
(MeasureFn (MultiplicationFn ?NUMBER 0.0254) Meter))
distance UnitOfMeasure 
KiloByteMagnitudeFnMeasureFnOne KiloByte (K) of information. One KiloByte is 1024 Bytes. Note that this sense of 'kilo' is different from the one accepted in the SI system
(equal
(MeasureFn ?NUMBER MegaByte)
(MeasureFn (MultiplicationFn ?NUMBER 1024) KiloByte))
  UnitOfMeasure 
KiloHertzSubtractionFnMeasureFnMultiple of Hertz. Symbol: kHz. A FrequencyMeasure equal to one thousand times per SecondDuration. 1 KiloHertz = 10^3 Hertz
(equal
(MeasureFn ?NUMBER KiloHertz)
(MeasureFn (MultiplicationFn ?NUMBER 1000) Hertz))
domainSubclass UnitOfMeasure 
KilometerMagnitudeFnMeasureFnMultiple of Meter. Symbol: km. 1 Kilometer = 1000 Meters
(equal
(MeasureFn ?NUMBER Kilometer)
(MeasureFn (MultiplicationFn ?NUMBER 1000) Meter))
distance UnitOfMeasure 
LiterMagnitudeFnDensityFnUnit of volume in the metric system. It is currently defined to be equal to one cubic decimeter (0.001 cubic meter). Symbol: l
(equal
(MeasureFn ?NUMBER UnitedStatesGallon)
(MeasureFn (MultiplicationFn ?NUMBER 3.785411784) Liter))
  VolumeMeasure 
MegaByteMagnitudeFnMeasureFnOne MegaByte (MB) of information. One MegaByte is 1024 KiloBytes. Note that this sense of 'mega' is different from the one accepted in the SI system
(equal
(MeasureFn ?NUMBER MegaByte)
(MeasureFn (MultiplicationFn ?NUMBER 1024) KiloByte))
  UnitOfMeasure 
MegaHertzSubtractionFnMeasureFnMultiple of Hertz. Symbol: MHz. A FrequencyMeasure equal to one million times per SecondDuration. 1 Megahertz = 10^6 Hertz
(equal
(MeasureFn ?NUMBER MegaHertz)
(MeasureFn (MultiplicationFn ?NUMBER 1.0E6) Hertz))
domainSubclass UnitOfMeasure 
MegaOhmSubtractionFnMeasureFnMultiple of Ohm. Electric resistance unit equal to one million Ohm. 1 MegaOhm = 10^(6) Ohms
(equal
(MeasureFn ?NUMBER MegaOhm)
(MeasureFn (MultiplicationFn ?NUMBER 1.0E6) Ohm))
domainSubclass UnitOfMeasure 
MegaPascalSubtractionFnMeasureFnMultiple of Pascal. Symbol: MPa. A unit of pressure equal to one million Pascal. 1 MegaPascal = 10^6 Pa
(equal
(MeasureFn ?NUMBER MegaPascal)
(MeasureFn (MultiplicationFn ?NUMBER 1.0E6) Pascal))
domainSubclass UnitOfMeasure 
MicroOhmSubtractionFnMeasureFnSubmultiple of Ohm. Electric resistance unit equal to the millionth part of an Ohm. 1 MicroOhm = 10^(-6) Ohms
(equal
(MeasureFn ?NUMBER MicroOhm)
(MeasureFn (MultiplicationFn ?NUMBER 0.000001) Ohm))
domainSubclass UnitOfMeasure 
MicroVoltSubtractionFnMeasureFnSubmultiple of Volt. Symbol: mV. A UnitOfMeasure for measuring electrical potential equal to one millionth of a volt. 1 MicroVolt = 10^(-6) Volt
(equal
(MeasureFn ?NUMBER MicroVolt)
(MeasureFn (MultiplicationFn ?NUMBER 0.000001) Volt))
domainSubclass UnitOfMeasure 
MileMagnitudeFnMeasureFnEnglish length unit of miles
(equal
(MeasureFn ?NUMBER Mile)
(MeasureFn (MultiplicationFn ?NUMBER 1609.344) Meter))
distance UnitOfMeasure 
MilliAmpereSubtractionFnMeasureFnSubmultiple of Ampere. Symbol: mA. A unit of electrical current equal to one thousandth of an Ampere
(equal
(MeasureFn ?NUMBER MilliAmpere)
(MeasureFn (MultiplicationFn ?NUMBER .001) Ampere))
domainSubclass UnitOfMeasure 
MilliVoltSubtractionFnMeasureFnSubmultiple of Volt. Symbol: mV. A unit of electrical potential equal to one thousandth of a Volt. 1 MilliVolt = 10^(-3) Volt
(equal
(MeasureFn ?NUMBER MilliVolt)
(MeasureFn (MultiplicationFn ?NUMBER .001) Volt))
domainSubclass UnitOfMeasure 
MinuteDurationSubtractionFnMeasureFnTime unit. 1 minute = 60 seconds.
(equal
(MeasureFn ?NUMBER HourDuration)
(MeasureFn (MultiplicationFn ?NUMBER 60) MinuteDuration))
  UnitOfMeasure 
MonthDurationSubtractionFnMeasureFnTime unit. 1/12th of a year
(=>
(instance ?MONTH Month)
(duration ?MONTH MonthDuration))
  UnitOfMeasure 
NanoSecondSubtractionFnMeasureFnSubmultiple of SecondDuration. Symbol: ns. A UnitOfMeasure equal to one billionth of a SecondDuration
(equal
(MeasureFn ?NUMBER NanoSecond)
(MeasureFn (MultiplicationFn ?NUMBER 1.0E-9) Second))
  UnitOfMeasure 
OunceMagnitudeFnDensityFnEnglish unit of volume equal to 1/8 of a Cup
(equal
(MeasureFn ?NUMBER Ounce)
(MeasureFn (DivisionFn ?NUMBER 8) Cup))
  VolumeMeasure 
PicoAmpereSubtractionFnMeasureFnSubmultiple of Ampere. Symbol: pA. A unit of electrical current equal to one trillionth of an Ampere
(equal
(MeasureFn ?NUMBER PicoAmpere)
(MeasureFn (MultiplicationFn ?NUMBER 1.0E-12) Ampere))
domainSubclass UnitOfMeasure 
PicoSecondSubtractionFnMeasureFnSubmultiple of SecondDuration. Symbol: ps. A UnitOfMeasure equal to one trillionth of a SecondDuration
(equal
(MeasureFn ?NUMBER PicoSecond)
(MeasureFn (MultiplicationFn ?NUMBER 1.0E-12) SecondDuration))
  UnitOfMeasure 
PintMagnitudeFnDensityFnEnglish unit of volume equal to 1/2 of a Quart
(equal
(MeasureFn ?NUMBER Pint)
(MeasureFn (DivisionFn ?NUMBER 2) Quart))
  VolumeMeasure 
PoundForceSubtractionFnMeasureFnEnglish pound of force. The conversion factor depends on the local value of the acceleration of free fall. A mean value is used in the conversion axiom associated with this constant
(equal
(MeasureFn ?NUMBER PoundForce)
(MeasureFn (MultiplicationFn ?NUMBER 4.448222) Newton))
domainSubclass UnitOfMeasure 
PoundMassDensityFnMeasureFnEnglish mass unit of pounds
(=>
(and
(instance ?REL RelationExtendedToQuantities)
(instance ?REL BinaryRelation)
(instance ?NUMBER1 RealNumber)
(instance ?NUMBER2 RealNumber)
(holds ?REL ?NUMBER1 ?NUMBER2))
(forall (?UNIT)
(=>
(instance ?UNIT UnitOfMeasure)
(holds ?REL (MeasureFn ?NUMBER1 ?UNIT) (MeasureFn ?NUMBER2 ?UNIT)))))
  UnitOfMeasure 
QuartMagnitudeFnDensityFnEnglish unit of volume equal to 1/4 of a UnitedStatesGallon
(equal
(MeasureFn ?NUMBER Quart)
(MeasureFn (DivisionFn ?NUMBER 4) UnitedStatesGallon))
  VolumeMeasure 
RankineMagnitudeFnMeasureFnA ThermodynamicTemperatureMeasure. Note that 0 degrees Rankine is the same as the absolute zero (i.e. 0 degrees Kelvin)
(equal
(MeasureFn ?NUMBER Rankine)
(MeasureFn (MultiplicationFn ?NUMBER 1.8) Kelvin))
  UnitOfMeasure 
SlugDensityFnMeasureFnEnglish mass unit of slugs
(equal
(MeasureFn ?NUMBER Slug)
(MeasureFn (MultiplicationFn ?NUMBER 14.59390) Kilogram))
  UnitOfMeasure 
SystemeInternationalUnitSubtractionFnMeasureFnThe Class of Systeme International (SI) units
(=>
(and
(instance ?REL RelationExtendedToQuantities)
(instance ?REL BinaryRelation)
(instance ?NUMBER1 RealNumber)
(instance ?NUMBER2 RealNumber)
(holds ?REL ?NUMBER1 ?NUMBER2))
(forall (?UNIT)
(=>
(instance ?UNIT UnitOfMeasure)
(holds ?REL (MeasureFn ?NUMBER1 ?UNIT) (MeasureFn ?NUMBER2 ?UNIT)))))
 UnitOfMeasure  
UnitedKingdomGallonMagnitudeFnDensityFnUnit of volume commonly used in the United Kingdom
(equal
(MeasureFn ?NUMBER UnitedKingdomGallon)
(MeasureFn (MultiplicationFn ?NUMBER 4.54609) Liter))
  VolumeMeasure 
UnitedStatesGallonMagnitudeFnDensityFnUnit of volume commonly used in the United States
(equal
(MeasureFn ?NUMBER UnitedStatesGallon)
(MeasureFn (MultiplicationFn ?NUMBER 3.785411784) Liter))
  VolumeMeasureUnitedKingdomGallon
WattSubtractionFnMeasureFnSI PowerMeasure. Aymbol: W. A UnitOfMeasure that measures power, i.e. energy produced or expended divided by TimeDuration. It is the power which gives rise to the production of energy (or work) at the rate of one Joule per SecondDuration. Watt = J/s = m^2*kg*s^(-3)
(equal
(MeasureFn ?NUMBER KiloWatt)
(MeasureFn (MultiplicationFn ?NUMBER 1000) Watt))
domainSubclass UnitOfMeasure 
YearDurationSubtractionFnMeasureFnTime unit. one calendar year. 1 year = 365 days = 31536000 seconds
(equal
(MeasureFn ?NUMBER YearDuration)
(MeasureFn (MultiplicationFn ?NUMBER 365) DayDuration))
  UnitOfMeasure 

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