CONSTANTS   Absolute Entropy Constant Absolute Zero Acceleration of -   Free Fall on Earth Acceleration of free-   fall on the Sun Acceleration of free -   fall on the Moon Acre Aeon Alpha particle mass Alpha particle to -   proton mass ratio Alpha particle to -   electron mass ratio Air, Critical Temperature Air, Density of Air, Viscosity of (20°C) Alladi-Grinstead Constant Ångström Anker Année-lumière Apéry's Constant Apothecaries' Ounce Archimedes' Constant Are Astronomical Unit Atmospheric Pressure Atomic Mass Unit Avogadro Constant Avoirdupois Ounce Backhouse's Constant Base of Natural -   Logarithms Bar Becquerel Bernstein's Constant Board Foot Bohr Magneton Bohr Radius Boltzmann Constant Briggsian (common) -   logarithm of 2 British thermal unit Brun's Constant Bushel Bushel (US) Butt Cahen's constant Carat Metric carat Carbon-14 half life Catalan's Constant Chain Characteristic Impedence -   of Vacuum Charge, Electron Circular inch Circular mil Classical Electron Radius Common logarithm of 2 Compton wavelength -   of electron Compton Wavelength, -    Muon Compton Wavelength, -    Neutron Compton Wavelength, -   Proton Compton Wavelength, -    Tau Constant, Absolute Entropy Constant, Apéry's Constant, Boltzmann Constant, Catalan's Constant, Dirac's Constant, Euler's Constant, Faraday Constant, Feigenbaum's Constant, Fermi Constant, Fine Structure Constant, Khintchine's Constant, Khintchine's Constant, Pythagoras' Constant, Sackur-Tetrode Cord Cord Foot Critical Temperature -    of Air cup Curie Cusec Dalton Density of Air Dessert spoon Deuteron Magnetic Moment Deuteron Mass Deuteron-Electron -   Magnetic Moment Ratio Deuteron-Electron -   Mass Ratio Deuteron- neutron -   Magnetic Moment Ratio Deuteron-proton -   magnetic moment ratio Deuteron- proton -   Mass Ratio Dioptre Dirac's Constant Drachm Dram Dry barrel Dry Pint Dry quart (US) Dyne Effective temperature -   of the Sun Electric Constant -   Permittivity Electron Charge Electron Charge -   to Mass Quotient Electron g-factor Electron Magnetic -    Moment Electron Magnetic -   Moment Anomaly Electron Mass Electron Radius - Classical Electron to -   Shielded Helion Electron to -   Shielded Proton Electron-a-Particle -   Mass Ratio Electron-Deuteron -   Magnetic Moment Ratio Electron-Deuteron -   Mass Ratio Electron-Muon -   Magnetic Moment Ratio Electron-Muon -   Mass Ratio Electron-Neutron -   Magnetic Moment Ratio Electron-Neutron -   Mass Ratio Electron-Proton -   Magnetic Moment Ratio Electron-Proton -   Mass Ratio Electron-Tau -   Mass Ratio Electronvolt Elementary Charge EMF of Weston -   standard cell Engineer's chain Enthalpy of vapourisation -   of Water Erg Euler's Constant Face Cord Faraday's Constant Fathom Feigenbaum's Constant Fermi Fermi's Constant Fine Structure Constant First Radiation Constant First Radiation Constant - Spectral Radiance Fluid dram, UK Fluid dram, US Fluid Ounce, UK Fluid Ounce, US Foot Foot, Board (Timber) Fransén-Robinson Constant Furlong Gallon, UK Gallon, US Gas Constant Geepound g-Factor, Electron g-Factor, Muon g-Factor, Neutron g-Factor, Protonm Gill (UK) Gill (US) Glass, Refractive -   Index of Glass, Thermal -   Conductivity of Gold Number Golden Mean Golomb-Dickman -   Constant Grade Grain Grain1 Gravitation, Newtonian -   Constant of Gravitational Acceleration, -   Moon's Gravitational -   constant Gravity, Acceleration -   due to Gray Gunter's Chain Gyromagnetic Ratio, -   Electron Gyromagnetic Ratio, -   Neutron Gyromagnetic Ratio, -   Proton Gyromagnetic Ratio, -   Shielded Proton Hafner-Sarnak-McCurley -   Constant Half-life of -   Carbon-1 Half-life of Free -   Neutro Hand Hard Square Entropy -   Constant Hartree energy Hectare Helion Helion-electron mass -   ratio Helion-proton mass -   ratio Horizontal Component Horse power Hour Hundredweight, - Short (US) Hundred weigh Hydrogen Rydberg -   Numbe impedance of vacuum Impedence of Vacuum -   characteristic Imperial pint Inch, cube Inch International -   Nautical Mile Inverse Conductance -   Quantum Inverse Fine Structure -   Constant Jeroboam Josephson constant Julian year Kilowatt hour Knot (international) Knot (UK) Landau ramanujan -   constant Laplace limit -   constant League Lengyel's constant Lieb's Square -   Ice Constant Light year Line Linear expansivity -   of steel Link Liquid Pint (US) Liquid quart (US) Litre Loschmidt constant Madelung's constant Magnetic constant Magneton, Bohr Magnum Mass of the Earth Mass of the Moon Mass of the Sun Mean density of -   the Earth Mean Density of -   the moon Mean Density of -   the Sun Mean earth-moon -   distance Mean equitorial Mean radius of -   the earth Mean radius of -   the earth Metric Mile Mile square Mile Million Electronvolt Mills's constant Minim (UK) Minim (US) Minute Molar Gas Constant Molar Mass Constant Molar Volume of -   ideal gas Moun Compton -   Wavelength Muon Electron -   Mass Ratio Muon Magnetic -   Moment Anomaly Muon Mass Muon Neutron -   Mass Ratio Muon Proton Mass -   Ratio Magnetic Muon-Proton -   Mass Rati Muon-Tau Mass Ratio Nautical mile -   (international) Nautical mile (UK) Nebuchadnezzar Neutron g-Factor Neutron gyromagnetic -   ratio Neutron Magnetic -   Moment Neutron Mass Neutron Compton -   Wavelength Neutron-electron magnetic Neutron-Electron -   Mass Ratio Neutron-muon -   mass ratio Neutron-proton magnetic Neutron Proton Magnetic -   Moment Neutron-proton -   mass ratio Neutron-tau -   mass ratio Nuclear Magneton Optic Ounce Ounce apothecarie Ounce avoirdupoi Parsec Peck (US) Peck Penny weight pi Pint (UK) Planck Constant porters constant Pound Pressure Atmospheric Proton charge to -   mass quotient Proton g-factor Proton gyromagnetic -   ratio Proton magnetic -   moment Proton magnetic -   shielding correction Proton mass Proton Compton -   Wavelength Proton-electron -   mass ratio Proton-muon -   mass ratio Proton-neutron -   magnetic ratio Proton-neutron -   mass ratio Proton-tau -   mass ratio pythagoras constant Quart Quarter Quire Radiation constant -   second Radius Radius, Bohr Radius Sun's mean Ramanujan-soldner -   constant Refractive Index -   of glass Refractive Index -   of water Rydberg constant Sackurtetrode -   constant Sample Shapiro's cyclic -   sum constant Sheilded Proton -   magnetic moment Shielded helion -   gyromagnetic ratio Shielded helion -   magnetic moment Shielded helion to proton   to proton Shielded helion to shielded -    proton magnetic Shielded Proton -   gyromagnetic ratio Siegbahnunit Sierpinskis constan Sievert sigma Siriometre Siriusweit Slug Solar constant Span Specific Heat -   Capacity of Water Speed of Light in a -   Vacuum Speed of sound -   in air Standard acceleration -   of gravity Stefan-Boltzmann -   constant Stone Surface area of -   the Earth Surface area of -   the Sun Tablespoon Tau Mass tau compton wavelength Tau-Electron Mass -   Ratio Tau-Muon Mass Ratio Tau-Neutron -   Mass Ratio Tau-proton -   mass rati Teaspoon The Golden mean Thermal Conductivity -   of Glass Thomson cross -   section Ton (of TNT) Ton (UK) Tonne Torr Total radiant power -   of the Sun Tropical year Troy ounce Troy pound Unit Astronomical Unit, Astronomical Unit, seighbam Van der Corput's -   Constant Verdet constant for -   water Viscosity of Air Volume of earth Volume of the sun von Klitzing -   Constant Wavelength of electron -   compton Weak mixing angle Wien displacement -   law constant Wilbraham-Gibbs -   constant Yard Young's Modulus -   of Steel       Science Constants All the constants are alphabetically ordered. Some have links to pages with more information on that constant such as how it is defined and who derived it - look for the magnifying glass icon. There are currently 603 values listed on the constants pages. A to B | C to D | E to F | G to I J to L | M | N to Q | R to T | U to Z I am very keen to make this list as useful as possible, so if you are looking for a specific constant and do not find it, then e-mail me at editor@scenta.co.uk and let me know! I will do my best to look into it for you. [ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ] Download | Contact | About

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