get_units() yields a dataframe with all standard units in Julia's Unitful package and added custom units by sdbuildR.
See also
Other units:
convert_u(),
drop_u(),
get_regex_time_units(),
get_regex_units(),
model_units(),
u(),
unit_prefixes()
Examples
get_units()
#> description
#> [1,] "The meter, the SI base unit of length."
#> [2,] "The second, the SI base unit of time."
#> [3,] "The ampere, the SI base unit of electric current."
#> [4,] "The kelvin, the SI base unit of thermodynamic temperature."
#> [5,] "The candela, the SI base unit of luminous intensity."
#> [6,] "The gram, the SI base unit for weight."
#> [7,] "The mole, the SI base unit for amount of substance."
#> [8,] "The steradian, a unit of spherical angle. There are 4pi sr in a sphere."
#> [9,] "The radian, a unit of angle. There are 2pi rad in a circle."
#> [10,] "The degree, a unit of angle. There are 360 degrees in a circle."
#> [11,] "The hertz, an SI unit of frequency, defined as 1 s^-1."
#> [12,] "The newton, an SI unit of force, defined as 1 kg * m / s^2."
#> [13,] "The pascal, an SI unit of pressure, defined as 1 N / m^2."
#> [14,] "The joule, an SI unit of energy, defined as 1 N * m."
#> [15,] "The watt, an SI unit of power, defined as 1 J / s."
#> [16,] "The coulomb, an SI unit of electric charge, defined as 1 A * s."
#> [17,] "The volt, an SI unit of electric potential, defined as 1 W / A."
#> [18,] "The ohm, an SI unit of electrical resistance, defined as 1 V / A."
#> [19,] "The siemens, an SI unit of electrical conductance, defined as 1 Ohm^-1"
#> [20,] "The farad, an SI unit of electrical capacitance, defined as 1 s^4 * A^2 / (kg * m^2)."
#> [21,] "The henry, an SI unit of electrical inductance, defined as 1 J / A^2."
#> [22,] "The tesla, an SI unit of magnetic B-field strength, defined as 1 kg / (A * s^2)."
#> [23,] "The weber, an SI unit of magnetic flux, defined as 1 kg * m^2 / (A * s^2)."
#> [24,] "The lumen, an SI unit of luminous flux, defined as 1 cd * sr."
#> [25,] "The lux, an SI unit of illuminance, defined as 1 lm / m^2."
#> [26,] "The becquerel, an SI unit of radioactivity, defined as 1 nuclear decay per s."
#> [27,] "The gray, an SI unit of ionizing radiation dose, defined as the absorption of 1 J per kg of matter."
#> [28,] "The sievert, an SI unit of the biological effect of an ionizing radiation dose."
#> [29,] "The katal, an SI unit of catalytic activity, defined as 1 mol of catalyzed"
#> [30,] "Percent, a unit meaning parts per hundred. Printed as \"%\"."
#> [31,] "Permille, a unit meaning parts per thousand. Printed as %"
#> [32,] "Permyriad, a unit meaning parts per ten thousand."
#> [33,] "Percentmille, a unit meaning parts per hundred thousand."
#> [34,] "Permillion, a unit meaning parts per million."
#> [35,] "Perbillion, a unit meaning parts per billion (in the short-scale sense), i.e., 10^-9."
#> [36,] "Pertrillion, a unit meaning parts per trillion (in the short-scale sense), i.e., 10^-12."
#> [37,] "Perquadrillion, a unit meaning parts per quadrillion (in the short-scale sense), i.e., 10^-15."
#> [38,] "The degree Celsius, an SI unit of temperature, defined such that 0 degrees C = 273.15 K."
#> [39,] "The minute, a unit of time defined as 60 s. The full name `minute` is used instead of the symbol `min` to avoid confusion with the Julia function `min`."
#> [40,] "The hour, a unit of time defined as 60 minutes."
#> [41,] "The day, a unit of time defined as 24 hr."
#> [42,] "The week, a unit of time, defined as 7 d."
#> [43,] "The year, a unit of time, defined as 365.25 d."
#> [44,] "Revolutions per second, a unit of rotational speed, defined as 2pi rad / s."
#> [45,] "Revolutions per minute, a unit of rotational speed, defined as 2pi rad / minute."
#> [46,] "The are, a metric unit of area, defined as 100 m^2."
#> [47,] "The hectare, a metric unit of area, defined as 100 a."
#> [48,] "The barn, a metric unit of area, defined as 100 fm^2."
#> [49,] "The liter, a metric unit of volume, defined as 1000 cm^3."
#> [50,] "A unit for measuring molar concentration, equal to 1 mol/L."
#> [51,] "A quantity equal to the elementary charge, the charge of a single electron, with a value of exactly 1.602,176,634 * 10^-19 C. The letter `q` is used instead of `e` to avoid confusion with Euler's number."
#> [52,] "The electron-volt, a unit of energy, defined as q*V."
#> [53,] "A unit for convenience in angular frequency, equal to 2pi Hz."
#> [54,] "The bar, a metric unit of pressure, defined as 100 kPa."
#> [55,] "The standard atmosphere, a unit of pressure, defined as 101,325 Pa."
#> [56,] "The torr, a unit of pressure, defined as 1/760 atm."
#> [57,] "A quantity representing the speed of light in a vacuum, defined as exactly 2.997,924,58 * 10^8 m/s."
#> [58,] "The speed of light in a vacuum, a unit of speed, defined as exactly 2.997,924,58 * 10^8 m/s."
#> [59,] "A quantity representing the vacuum permeability constant, defined as 4pi * 10^-7 H / m."
#> [60,] "A quantity representing the vacuum permittivity constant, defined as 1 / (mu0 * c^2)."
#> [61,] "A quantity representing the impedance of free space, a constant defined as mu0 * c."
#> [62,] "A quantity representing the universal gravitational constant, equal to 6.674,30 * 10^-11 m^3 / (kg * s^2) (the CODATA 2018 recommended value)."
#> [63,] "A quantity representing the nominal acceleration due to gravity in a vacuum near the surface of the earth, defined by standard to be exactly 9.806,65 m / s^2."
#> [64,] "A quantity representing Planck's constant, defined as exactly 6.626,070,15 * 10^-34 J * s."
#> [65,] "A quantity representing the reduced Planck constant, defined as h / 2pi."
#> [66,] "A quantity representing the superconducting magnetic flux quantum, defined as h / (2 * q)."
#> [67,] "A quantity representing the rest mass of an electron, equal to 9.109,383,7015 * 10^-31 kg (the CODATA 2018 recommended value)."
#> [68,] "A quantity representing the rest mass of a neutron, equal to 1.674,927,498,04 * 10^-27 kg (the CODATA 2018 recommended value)."
#> [69,] "A quantity representing the rest mass of a proton, equal to 1.672,621,923,69 * 10^-27 kg (the CODATA 2018 recommended value)."
#> [70,] "A quantity representing the Bohr magneton, equal to q * hbar / (2 * me)."
#> [71,] "A quantity representing Avogadro's constant, defined as exactly 6.022,140,76 * 10^23 / mol."
#> [72,] "A quantity representing the Boltzmann constant, defined as exactly 1.380,649 * 10^-23 J / K."
#> [73,] "A quantity representing the molar gas constant, defined as Na * k."
#> [74,] "A quantity representing the Stefan-Boltzmann constant, defined as pi^2 * k^4 / (60 * hbar^3 * c^2)."
#> [75,] "A quantity representing the Rydberg constant, equal to 1.097,373,156,8160 * 10^-7 / m (the CODATA 2018 recommended value)."
#> [76,] "The unified atomic mass unit, or dalton, a unit of mass defined as 1/12 the mass of an unbound neutral atom of carbon-12, equal to 1.660,539,066,60 * 10^-27 kg (the CODATA 2018 recommended value)."
#> [77,] "The nominal acceleration due to gravity in a vacuum near the surface of the earth, a unit of acceleration, defined by standard to be exactly 9.806,65 m / s^2."
#> [78,] "The gal, a CGS unit of acceleration, defined as 1 cm / s^2."
#> [79,] "The dyne, a CGS unit of force, defined as 1 g * cm / s^2."
#> [80,] "The erg, a CGS unit of energy, defined as 1 dyn * cm."
#> [81,] "The barye, a CGS unit of pressure, defined as 1 dyn / cm^2."
#> [82,] "The poise, a CGS unit of dynamic viscosity, defined as 1 dyn * s / cm^2."
#> [83,] "The stokes, a CGS unit of kinematic viscosity, defined as 1 cm^2 / s."
#> [84,] "The gauss, a CGS unit of magnetic B-field strength, defined as 1 Mx / cm^2."
#> [85,] "The oersted, a CGS unit of magnetic H-field strength, defined as 1000 A / (4pi * m)."
#> [86,] "The maxwell, a CGS unit of magnetic flux, defined as 1 Gauss * cm^2."
#> [87,] "The inch, a US customary unit of length defined as 2.54 cm."
#> [88,] "The mil, a US customary unit of length defined as 1/1000 inch."
#> [89,] "The foot, a US customary unit of length defined as 12 inch."
#> [90,] "The yard, a US customary unit of length defined as 3 ft."
#> [91,] "The mile, a US customary unit of length defined as 1760 yd."
#> [92,] "The angstrom, a metric unit of length defined as 1/10 nm."
#> [93,] "The acre, a US customary unit of area defined as 4840 yd^2"
#> [94,] "The rankine, a US customary unit of temperature defined as 5/9 K."
#> [95,] "The degree Fahrenheit, a US customary unit of temperature, defined such that 0 degrees F = 459.67 Ra."
#> [96,] "The pound-mass, a US customary unit of mass defined as exactly 0.453,592,37 kg."
#> [97,] "The ounce, a US customary unit of mass defined as 1/16 lb."
#> [98,] "The slug, a US customary unit of mass defined as 1 lbf * s^2 / ft."
#> [99,] "The dram, a US customary unit of mass defined as 1/16 oz."
#> [100,] "The grain, a US customary unit of mass defined as 1/7000 lb."
#> [101,] "The pound-force, a US customary unit of force defined as 1 lb * ge."
#> [102,] "The calorie, a unit of energy defined as exactly 4.184 J."
#> [103,] "The British thermal unit, a US customary unit of heat defined by ISO 31-4 as exactly 1055.06 J."
#> [104,] "Pounds per square inch, a US customary unit of pressure defined as 1 lbf / inch^2."
#> [105,] "The common year, a unit of time, defined as 365 d."
#> [106,] "The common quarter, a unit of time, defined as 365/4 d."
#> [107,] "The common month, a unit of time, defined as 365/12 d."
#> [108,] "The quarter, a unit of time, defined as 1/4yr."
#> [109,] "The month, a unit of time, defined as 1/12yr."
#> [110,] "The US fluid ounce, to measure liquids"
#> [111,] "The US liquid quart, unit of capacity"
#> [112,] "The tonne, a metric unit of mass"
#> [113,] "The US short ton"
#> [114,] "The US gallon, a unit of volume"
#> [115,] "The atom, used in chemistry to quantify microscopic particles"
#> [116,] "The molecule, used in scientific models to count chemical entities"
#> [117,] "The euro, the official currency of the Eurozone"
#> [118,] "The dollar, the currency of the United States"
#> [119,] "The pound, the currency of the United Kingdom"
#> name
#> [1,] "m"
#> [2,] "s"
#> [3,] "A"
#> [4,] "K"
#> [5,] "cd"
#> [6,] "g"
#> [7,] "mol"
#> [8,] "sr"
#> [9,] "rad"
#> [10,] "deg"
#> [11,] "Hz"
#> [12,] "N"
#> [13,] "Pa"
#> [14,] "J"
#> [15,] "W"
#> [16,] "C"
#> [17,] "V"
#> [18,] "Ohm"
#> [19,] "S"
#> [20,] "FALSE"
#> [21,] "H"
#> [22,] "T"
#> [23,] "Wb"
#> [24,] "lm"
#> [25,] "lx"
#> [26,] "Bq"
#> [27,] "Gy"
#> [28,] "Sv"
#> [29,] "kat"
#> [30,] "%"
#> [31,] "permille"
#> [32,] "pertenthousand"
#> [33,] "pcm"
#> [34,] "ppm"
#> [35,] "ppb"
#> [36,] "ppt"
#> [37,] "ppq"
#> [38,] "degC"
#> [39,] "minute"
#> [40,] "hr"
#> [41,] "d"
#> [42,] "wk"
#> [43,] "yr"
#> [44,] "rps"
#> [45,] "rpm"
#> [46,] "a"
#> [47,] "ha"
#> [48,] "b"
#> [49,] "L"
#> [50,] "M"
#> [51,] "q"
#> [52,] "eV"
#> [53,] "AngHertz"
#> [54,] "bar"
#> [55,] "atm"
#> [56,] "Torr"
#> [57,] "c0"
#> [58,] "c"
#> [59,] "magnetic_constant"
#> [60,] "electric_constant"
#> [61,] "Z0"
#> [62,] "G"
#> [63,] "gn"
#> [64,] "h"
#> [65,] "reduced_Planck_constant"
#> [66,] "superconducting_magnetic_flux_quantum"
#> [67,] "me"
#> [68,] "mn"
#> [69,] "mp"
#> [70,] "Bohr_magneton"
#> [71,] "Na"
#> [72,] "k"
#> [73,] "R"
#> [74,] "Stefan_Boltzmann_constant"
#> [75,] "Rydberg_constant"
#> [76,] "u"
#> [77,] "ge"
#> [78,] "Gal"
#> [79,] "dyn"
#> [80,] "erg"
#> [81,] "Ba"
#> [82,] "P"
#> [83,] "St"
#> [84,] "Gauss"
#> [85,] "Oe"
#> [86,] "Mx"
#> [87,] "inch"
#> [88,] "mil"
#> [89,] "ft"
#> [90,] "yd"
#> [91,] "mi"
#> [92,] "angstrom"
#> [93,] "ac"
#> [94,] "Ra"
#> [95,] "degF"
#> [96,] "lb"
#> [97,] "oz"
#> [98,] "slug"
#> [99,] "dr"
#> [100,] "gr"
#> [101,] "lbf"
#> [102,] "cal"
#> [103,] "btu"
#> [104,] "psi"
#> [105,] "common_yr"
#> [106,] "common_quarter"
#> [107,] "common_month"
#> [108,] "quarter"
#> [109,] "month"
#> [110,] "fl_oz"
#> [111,] "quart"
#> [112,] "tonne"
#> [113,] "ton"
#> [114,] "US_gal"
#> [115,] "atom"
#> [116,] "molecule"
#> [117,] "EUR"
#> [118,] "USD"
#> [119,] "GBP"
#> full_name definition
#> [1,] "Meter" ""
#> [2,] "Second" ""
#> [3,] "Ampere" ""
#> [4,] "Kelvin" ""
#> [5,] "Candela" ""
#> [6,] "Gram" ""
#> [7,] "Mole" ""
#> [8,] "Steradian" ""
#> [9,] "Radian" ""
#> [10,] "Degree" "pi/180"
#> [11,] "Hertz" "1/s"
#> [12,] "Newton" "1kg*m/s^2"
#> [13,] "Pascal" "1N/m^2"
#> [14,] "Joule" "1N*m"
#> [15,] "Watt" "1J/s"
#> [16,] "Coulomb" "1A*s"
#> [17,] "Volt" "1W/A"
#> [18,] "Ohm" "1V/A"
#> [19,] "Siemens" "1/Ohm"
#> [20,] "Farad" "1s^4*A^2/(kg*m^2)"
#> [21,] "Henry" "1J/(A^2)"
#> [22,] "Tesla" "1kg/(A*s^2)"
#> [23,] "Weber" "1kg*m^2/(A*s^2)"
#> [24,] "Lumen" "1cd*sr"
#> [25,] "Lux" "1lm/m^2"
#> [26,] "Becquerel" "1/s"
#> [27,] "Gray" "1J/kg"
#> [28,] "Sievert" "1J/kg"
#> [29,] "Katal" "1mol/s"
#> [30,] "Percent" "1//100"
#> [31,] "Permille" "1//1000"
#> [32,] "Pertenthousand" "1//10000"
#> [33,] "Percentmille" "1//100000"
#> [34,] "Permillion" "1//1000000"
#> [35,] "Perbillion" "1//1000000000"
#> [36,] "Pertrillion" "1//1000000000000"
#> [37,] "Perquadrillion" "1//1000000000000000"
#> [38,] "Celsius" "(27315//100)K"
#> [39,] "Minute" "60s"
#> [40,] "Hour" "3600s"
#> [41,] "Day" "86400s"
#> [42,] "Week" "604800s"
#> [43,] "Year" "31557600s"
#> [44,] "RevolutionsPerSecond" "2pi*rad/s"
#> [45,] "RevolutionsPerMinute" "2pi*rad/minute"
#> [46,] "Are" "100m^2"
#> [47,] "Hectare" ""
#> [48,] "Barn" "100fm^2"
#> [49,] "Liter" "m^3//1000"
#> [50,] "Molar" "1mol/L"
#> [51,] "" "1.602_176_634e-19*C"
#> [52,] "eV" "q*V"
#> [53,] "AngHertz" "2pi/s"
#> [54,] "Bar" "100000Pa"
#> [55,] "Atmosphere" "101325Pa"
#> [56,] "Torr" "101325Pa//760"
#> [57,] "" "299_792_458*m/s"
#> [58,] "SpeedOfLight" "1c0"
#> [59,] "magnetic constant" "4pi*(1//10)^7*H/m"
#> [60,] "electric constant" ""
#> [61,] "impedance of free space" ""
#> [62,] "gravitational constant" "6.674_30e-11*m^3/kg/s^2"
#> [63,] "standard acceleration of gravity" "9.80665*m/s^2"
#> [64,] "Planck constant" "6.626_070_15e-34*J*s"
#> [65,] "hbar" "h/2pi"
#> [66,] "Superconducting magnetic flux quantum" "h/(2q)"
#> [67,] "electron rest mass" "9.109_383_7015e-31*kg"
#> [68,] "neutron rest mass" "1.674_927_498_04e-27*kg"
#> [69,] "proton rest mass" "1.672_621_923_69e-27*kg"
#> [70,] "Bohr magneton" "q*hbar/(2*me)"
#> [71,] "Avogadro constant" "6.022_140_76e23/mol"
#> [72,] "Boltzmann constant" "1.380_649e-23*(J/K)"
#> [73,] "molar gas constant" "Na*k"
#> [74,] "Stefan-Boltzmann constant" "pi^2*k^4/(60*hbar^3*c^2)"
#> [75,] "Rydberg constant" "10_973_731.568_160/m"
#> [76,] "UnifiedAtomicMassUnit" "1.660_539_066_60e-27*kg"
#> [77,] "EarthGravity" "gn"
#> [78,] "Gal" "1cm/s^2"
#> [79,] "Dyne" "1g*cm/s^2"
#> [80,] "Erg" "1g*cm^2/s^2"
#> [81,] "Barye" "1g/cm/s^2"
#> [82,] "Poise" "1g/cm/s"
#> [83,] "Stokes" "1cm^2/s"
#> [84,] "Gauss" "(1//10_000)*T"
#> [85,] "Oersted" "(1_000/4pi)*A/m"
#> [86,] "Maxwell" "(1//100_000_000)*Wb"
#> [87,] "Inch" "(254//10000)*m"
#> [88,] "Mil" "(1//1000)*inch"
#> [89,] "Foot" "12inch"
#> [90,] "Yard" "3ft"
#> [91,] "Mile" "1760yd"
#> [92,] "Angstrom" "(1//10)*nm"
#> [93,] "Acre" "(316160658//78125)*m^2"
#> [94,] "Rankine" "(5//9)*K"
#> [95,] "Fahrenheit" "(45967//100)Ra"
#> [96,] "Pound" "0.45359237kg"
#> [97,] "Ounce" "lb//16"
#> [98,] "Slug" "1lb*ge*s^2/ft"
#> [99,] "Dram" "oz//16"
#> [100,] "Grain" "(32//875)*dr"
#> [101,] "PoundsForce" "1lb*ge"
#> [102,] "Calorie" "4.184J"
#> [103,] "BritishThermalUnit" "1055.06J"
#> [104,] "PoundsPerSquareInch" "1lbf/inch^2"
#> [105,] "Common year" "365d"
#> [106,] "Common quarter" "365/4d"
#> [107,] "Common month" "365/12d"
#> [108,] "Quarter" "1/4yr"
#> [109,] "Month" "1/12yr"
#> [110,] "Fluid ounce" "29.5735295625mL"
#> [111,] "Quart" "946.35cm^3"
#> [112,] "Tonne" "1000kg"
#> [113,] "Ton" "907.18474kg"
#> [114,] "Gallon" "0.003785411784m^3"
#> [115,] "Atom" "1/6.02214076e23mol"
#> [116,] "Molecule" "1/6.02214076e23mol"
#> [117,] "Euro" "1"
#> [118,] "Dollar" "1"
#> [119,] "PoundSterling" "1"
#> prefix
#> [1,] "TRUE"
#> [2,] "TRUE"
#> [3,] "TRUE"
#> [4,] "TRUE"
#> [5,] "TRUE"
#> [6,] "TRUE"
#> [7,] "TRUE"
#> [8,] "TRUE"
#> [9,] "TRUE"
#> [10,] "FALSE"
#> [11,] "TRUE"
#> [12,] "TRUE"
#> [13,] "TRUE"
#> [14,] "TRUE"
#> [15,] "TRUE"
#> [16,] "TRUE"
#> [17,] "TRUE"
#> [18,] "TRUE"
#> [19,] "TRUE"
#> [20,] "TRUE"
#> [21,] "TRUE"
#> [22,] "TRUE"
#> [23,] "TRUE"
#> [24,] "TRUE"
#> [25,] "TRUE"
#> [26,] "TRUE"
#> [27,] "TRUE"
#> [28,] "TRUE"
#> [29,] "TRUE"
#> [30,] "FALSE"
#> [31,] "FALSE"
#> [32,] "FALSE"
#> [33,] "FALSE"
#> [34,] "FALSE"
#> [35,] "FALSE"
#> [36,] "FALSE"
#> [37,] "FALSE"
#> [38,] "FALSE"
#> [39,] "FALSE"
#> [40,] "FALSE"
#> [41,] "FALSE"
#> [42,] "FALSE"
#> [43,] "TRUE"
#> [44,] "FALSE"
#> [45,] "FALSE"
#> [46,] "FALSE"
#> [47,] "FALSE"
#> [48,] "TRUE"
#> [49,] "TRUE"
#> [50,] "TRUE"
#> [51,] "FALSE"
#> [52,] "TRUE"
#> [53,] "TRUE"
#> [54,] "TRUE"
#> [55,] "TRUE"
#> [56,] "TRUE"
#> [57,] "FALSE"
#> [58,] "FALSE"
#> [59,] "FALSE"
#> [60,] "FALSE"
#> [61,] "FALSE"
#> [62,] "FALSE"
#> [63,] "FALSE"
#> [64,] "FALSE"
#> [65,] "FALSE"
#> [66,] "FALSE"
#> [67,] "FALSE"
#> [68,] "FALSE"
#> [69,] "FALSE"
#> [70,] "FALSE"
#> [71,] "FALSE"
#> [72,] "FALSE"
#> [73,] "FALSE"
#> [74,] "FALSE"
#> [75,] "FALSE"
#> [76,] "FALSE"
#> [77,] "FALSE"
#> [78,] "TRUE"
#> [79,] "TRUE"
#> [80,] "TRUE"
#> [81,] "TRUE"
#> [82,] "TRUE"
#> [83,] "TRUE"
#> [84,] "TRUE"
#> [85,] "TRUE"
#> [86,] "TRUE"
#> [87,] "FALSE"
#> [88,] "FALSE"
#> [89,] "FALSE"
#> [90,] "FALSE"
#> [91,] "FALSE"
#> [92,] "FALSE"
#> [93,] "FALSE"
#> [94,] "FALSE"
#> [95,] "FALSE"
#> [96,] "FALSE"
#> [97,] "FALSE"
#> [98,] "FALSE"
#> [99,] "FALSE"
#> [100,] "FALSE"
#> [101,] "FALSE"
#> [102,] "TRUE"
#> [103,] "FALSE"
#> [104,] "FALSE"
#> [105,] "FALSE"
#> [106,] "FALSE"
#> [107,] "FALSE"
#> [108,] "FALSE"
#> [109,] "FALSE"
#> [110,] "FALSE"
#> [111,] "FALSE"
#> [112,] "FALSE"
#> [113,] "FALSE"
#> [114,] "FALSE"
#> [115,] "FALSE"
#> [116,] "FALSE"
#> [117,] "FALSE"
#> [118,] "FALSE"
#> [119,] "FALSE"