Features: Units and Constants

Conversion to International System (SI) or fundamental units and conversion among any composite units is supported. Conversion to SI is automatic for arithmetic operations, comparisons, and sorting of mixed units.

Units

The following units are supported.

Abampere, Abcoulomb, Abfarad, Abhenry, Abmho, Abohm, Abvolt, Acre, Amp, Ampere, AMU, Angstrom, Apostilb, ArcMinute, ArcSecond, Are, AssayTon, AstronomicalUnit, Atmosphere, AtomicMassUnit, Atto, AU, AvoirdupoisOunce, AvoirdupoisPound, Bag, BakersDozen, Bale, Bar, Barn, Barrel, Barye, Baud, Becquerel, Biot, Bit, BoardFoot, BohrMagneton, Bolt, BritishThermalUnit, BTU, Bucket, Bushel, Butt, Cable, Caliber, Calorie, Candela, Candle, Carat, Celsius, Cental, Centi, Centigrade, Centimeter, Century, Chain, ChevalVapeur, Cicero, Cord, Coulomb, Cubit, Cup, Curie, Dalton, Day, Deca, Decade, Deci, Denier, Didot, DidotPoint, Diopter, Dozen, Drachma, Dyne, ElectronVolt, Ell, Ephah, Erg, Exa, Fahrenheit, Farad, Fathom, Feet, Femto, Fermi, Fifth, Firkin, FluidDram, FluidOunce, Foot, FootCandle, Fortnight, Furlong, Gal, Gallon, Gauss, Geepound, Giga, Gilbert, Gill, Grade, Grain, Gram, GramWeight, Gravity, Gray, Gross, GrossHundredweight, Hand, Hectare, Hecto, Hefner, Henry, Hertz, Hogshead, Horsepower, Hour, Hundredweight, ImperialGallon, ImperialPint, Inch, InchMercury, Jeroboam, Jigger, Joule, Kayser, Kelvin, Kilo, Kilogram, KilogramForce, KilogramWeight, Knot, Lambert, League, Libra, LightYear, Link, Liter, Lumen, Lumerg, Lux, Magnum, Maxwell, Mega, Meter, MetricTon, Mho, Micro, Micron, Mil, Mile, Millennium, Milli, MillimeterMercury, Mina, Minim, Minute, Mole, Month, Nano, NauticalMile, NetHundredweight, Newton, Nibble, Nit, Noggin, NuclearMagneton, Obolos, Oersted, Ohm, Omer, Ounce, Parsec, Pascal, Peck, Pennyweight, Percent, Perch, Peta, Phot, Pica, Pico, Pint, Poise, Pole, Pondus, Pony, Pound, Poundal, PoundForce, PoundsPerSquareInch, PoundWeight, PSI, Puncheon, Quadrant, Quart, Quintal, Rad, Radian, Rankine, RegisterTon, Reyn, Rhes, RightAngle, Rod, Roentgen, Rontgen, Rood, Rope, Rutherford, Rydberg, Seam, Second, Section, Shekel, ShortHundredweight, ShortTon, Shot, SiderealSecond, SiderealYear, Siemens, Skein, Slug, SolarMass, Span, Stadion, Stadium, Statampere, Statcoulomb, Statfarad, Stathenry, Statohm, StatuteMile, Statvolt, Steradian, Stere, Stilb, Stokes, Stone, SurveyMile, Tablespoon, Talbot, Talent, Teaspoon, Tera, Tesla, Therm, Ton, TonForce, Tonne, Torr, Township, TropicalYear, TroyOunce, Tun, UKGallon, UKPint, Volt, Watt, Weber, Week, Wey, WineBottle, XUnit, Yard, Year, Yocto, Yotta, Zepto, Zetta

Constants

Values for the following constants are supplied and automatically converted to appropriate units.

AccelerationDueToGravity, AgeOfUniverse, AvogadroConstant, BohrRadius, BoltzmannConstant, ClassicalElectronRadius, DeuteronMagneticMoment, DeuteronMass, E, EarthMass, EarthRadius, ElectronCharge, ElectronComptonWavelength, ElectronGFactor, ElectronMagneticMoment, ElectronMass, FaradayConstant, FineStructureConstant, GoldenRatio, GravitationalConstant, HubbleConstant, IcePoint, MagneticFluxQuantum, MolarGasConstant, MolarVolume, MuonGFactor, MuonMagneticMoment, MuonMass, NeutronComptonWavelength, NeutronMagneticMoment, NeutronMass, Pi, PlanckConstant, PlanckConstantReduced, PlanckMass, ProtonComptonWavelength, ProtonMagneticMoment, ProtonMass, QuantizedHallConductance, RydbergConstant, SackurTetrodeConstant, SolarConstant, SolarRadius, SpeedOfLight, SpeedOfSound, StefanConstant, ThomsonCrossSection, VacuumPermeability, VacuumPermittivity, WeakMixingAngle