#===List of all units and constants================== --- = = % = percent = 10-2 A = Ampere = A a = year = 3.15576x10+7s a0 = (Bohr radius) = 5.29177x10-11m al = light-year = 9.46053x10+15m alpha = (fine structure constant) = 7.29735x10-3 Angstroem = Angstroem(0.1nm) (*) = 10-10m Angstrom = Angstroem(0.1nm) (*) = 10-10m arcm = minute of arc = 4.62963x10-5 arcmin = minute of arc = 4.62963x10-5 arcs = second of arc = 7.71605x10-7 arcsec = second of arc = 7.71605x10-7 atm = atmosphere = 1.01325x10+5Pa (kg.m-1.s-2) AU = astronomical unit = 1.49598x10+11m au = astronomical unit = 1.49598x10+11m bar = bar(10+5Pa) (*) = 10+5Pa (kg.m-1.s-2) barn = barn(10-28m2) = 10-28m+2 beam = beam = bit = binary information unit = byte = byte(8bits) = C = Coulomb = C (s.A) c = c(speed_of_light) = 2.99792x10+8m.s-1 cal = calorie (*) = 4.1854J (kg.m+2.s-2) cd = candela(lumen/sr) = cd cKayser = centi-Kayser(cm-1) (*) = m-1 Crab = Crab (X-ray) flux = 1.43x10-11kg.s-3 ct = count = D = Debye (dipole) = 3.33333x10-30m.s.A d = day = 8.64x10+4s deg = degree = 2.77778x10-3 degC = Celsius = K degF = Fahrenheit (*) = 5.55556x10-1K degree = degree = 2.77778x10-3 dyn = dyne(10-5N) (*) = 10-5N (kg.m.s-2) e = e(electron_charge) = 1.60218x10-19C (s.A) Earth = Earth (geo) unit = eps0 = (electric constant) = 8.85419x10-12kg-1.m-3.s+4.A+2 erg = erg(10-7J) (*) = 10-7J (kg.m+2.s-2) eV = electron-Volt = 1.60218x10-19J (kg.m+2.s-2) F = Farad = F (kg-1.m-2.s+4.A+2) G = G(gravitation constant) = 6.673x10-11kg-1.m+3.s-2 g = gram = 10-3kg gauss = Gauss(10-4T) (*) = 10-4T (kg.s-2.A-1) geoMass = Earth mass = 5.9742x10+24kg H = Henry = H (kg.m+2.s-2.A-2) h = hour = 3.6x10+3s h = hour = 3.6x10+3s \h = hbar(Planck constant) = 1.05457x10-34kg.m+2.s-1 hr = hour(use 'h') (*) = 3.6x10+3s Hz = Herz = Hz (s-1) inch = inch (*) = 2.54x10-2m J = Joule = J (kg.m+2.s-2) JD = Julian Day = 8.64x10+4s jovMass = Jupiter mass = 1.8986x10+27kg Jup = Jupiter (jovian) unit = Jy = Jansky(10-26W/m2/Hz) = 10-26kg.s-2 K = Kelvin = K k = k(Boltzmann) = 1.38065x10-23kg.m+2.s-2.K-1 kg = kilogram = kg l = litre (*) = 10-3m+3 lm = lumen = 7.95775x10-2cd Lsun = solar luminosity = 3.826x10+26W (kg.m+2.s-3) lx = lux(lm/m2) = 7.95775x10-2m-2.cd lyr = light-year (c*yr) (*) = 9.46053x10+15m m = metre = m mag = magnitude = mag mas = milli-second of arc = 7.71605x10-10 me = me(electron_mass) = 9.10938x10-31kg Mgeo = Earth mass = 5.9742x10+24kg min = minute = 6x10+1s MJD = Mod. Julian Date (JD-2400000.5) = 8.64x10+4s Mjup = Jupiter mass = 1.8986x10+27kg mmHg = mercury_mm (*) = 1.33322x10+2Pa (kg.m-1.s-2) mol = mole = mol month = month (*) = mp = mp(proton_mass) = 1.67266x10-27kg Msun = solar mass = 1.989x10+30kg mu0 = (magnetic constant) = 1.25664x10-6kg.m.s-2.A-2 muB = (Bohr magneton) = 9.27401x10-28m+2.A N = Newton = N (kg.m.s-2) Ohm = Ohm(V/A) = Ohm (kg.m+2.s-3.A-2) Pa = Pascal = Pa (kg.m-1.s-2) pc = parsec = 3.0857x10+16m ph = photon = pi = pi(=3.14...) = 3.14159 pix = pixel = ppm = part per million = 10-6 R = R(gas_constant) = 8.3143kg.m+2.s-2.K-1.mol-1 rad = radian = 1.59155x10-1 Rgeo = Earth radius (eq) = 6.3781x10+6m Rjup = Jupiter radius (eq) = 7.1492x10+7m Rsun = solar radius = 6.9599x10+8m Ry = Rydberg(13.6eV) = 2.17989x10-18J (kg.m+2.s-2) S = Siemens(A/V) = S (kg-1.m-2.s+3.A+2) s = second = s sec = second (use 's') (*) = s solLum = solar luminosity = 3.826x10+26W (kg.m+2.s-3) solMass = solar mass = 1.989x10+30kg solRad = solar radius = 6.9599x10+8m sr = steradian = 7.95775x10-2 Sun = Solar unit = T = Tesla = T (kg.s-2.A-1) t = ton (*) = 10+3kg u = atomic mass unit = 1.66054x10-27kg uas = micro-second of arc = 7.71605x10-13 V = Volt = V (kg.m+2.s-3.A-1) W = Watt = W (kg.m+2.s-3) Wb = Weber(V.s) = Wb (kg.m+2.s-2.A-1) yr = year = 3.15576x10+7s ° = degree = 2.77778x10-3 °C = Celsius = K °F = Fahrenheit (*) = 5.55556x10-1K µ0 = (magnetic constant) = 1.25664x10-6kg.m.s-2.A-2 µas = micro-second of arc = 7.71605x10-13 Å = Angstroem(0.1nm) (*) = 10-10m "d:m:s" = degree arcminute arcsecond (sexagesimal angle from degree)= 2.77778x10-3 "date" = Fully qualified date = 8.64x10+4s "datime" = Fully qualified date/time = 8.64x10+4s "day" = Day of month number = 8.64x10+4s "h:m:s" = hour minutes seconds (sexagesimal time from hours)= 3.6x10+3s "h:m" = hour minutes (sexagesimal time from hours)= 3.6x10+3s "HH:MM:SS" = hour minutes seconds (sexagesimal time)= 3.6x10+3s "HHMMSS" = hour minutes seconds (sexagesimal time without separator)= 3.6x10+3s "m:s" = minutes seconds (sexagesimal time from minutes)= 6x10+1s "MM/YY" = Month/Year(from 1900) = 2.6298x10+6s "MM/yy" = Month/Year(from 2000) = 2.6298x10+6s "month" = Month name or number = 2.6298x10+6s "Y-M-D,h:m:s" = Fully qualified date/time = 8.64x10+4s ===List of possible conversion ===================== --- => s (Angle to time) m => Hz (Wavelength to frequency) Hz => J (Frequency to Energy) m => J (Wavelength to Energy) K => J (Temperature to Energy) kg => J (Mass to Energy) m => cKayser (Wavelength tp Wavenumber) cKayser => Hz (Wavenumber to frequency) cKayser => J (Wavenumber to Energy)