Units in VizieR

Symbol     (the (*) indicates non-standard units)compute:
% percent 10–2
A Ampere A
a year 3.15576×10+7s
a0 (Bohr radius) 5.29177×10–11m
al light-year 9.46053×10+15m
alpha (fine structure constant) 7.29735×10–3
Angstroem Angstroem(0.1nm) 10–10m
Angstrom Angstroem(0.1nm) 10–10m
arcm minute of arc 4.62963×10–5
arcmin minute of arc 4.62963×10–5
arcs second of arc 7.71605×10–7
arcsec second of arc 7.71605×10–7
atm atmosphere 1.01325×10+5Pa (kg⋅m–1⋅s–2)
AU astronomical unit 1.49598×10+11m
au atomic unit  
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) 2.99792×10+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 1.43×10–11kg⋅s–3
ct count  
D Debye (dipole) 3.33333×10–30m⋅s⋅A
d day 8.64×10+4s
deg degree 2.77778×10–3
degC Celsius K
degF Fahrenheit 5.55556×10–1K
degree degree 2.77778×10–3
dyn dyne(10–5N) 10–5N (kg⋅m⋅s–2)
e e(electron_charge) 1.60218×10–19C (s⋅A)
Earth Earth (geo) unit  
eps0 (electric constant) 8.85419×10–12kg–1⋅m–3⋅s+4⋅A+2
erg erg(10–7J) 10–7J (kg⋅m+2⋅s–2)
eV electron-Volt 1.60218×10–19J (kg⋅m+2⋅s–2)
F Farad F (kg–1⋅m–2⋅s+4⋅A+2)
G G(gravitation constant) 6.673×10–11kg–1⋅m+3⋅s–2
g gram 10–3kg
gauss Gauss(10–4T) 10–4T (kg⋅s–2⋅A–1)
geoMass Earth mass 5.9742×10+24kg
H Henry H (kg⋅m+2⋅s–2⋅A–2)
h hour 3.6×10+3s
h hour 3.6×10+3s
\h hbar(Planck constant) 1.05457×10–34kg⋅m+2⋅s–1
hr hour(use 'h') 3.6×10+3s
Hz Herz Hz (s–1)
inch inch 2.54×10–2m
J Joule J (kg⋅m+2⋅s–2)
JD Julian Day 8.64×10+4s
jovMass Jupiter mass 1.8986×10+27kg
Jup Jupiter (jovian) unit  
Jy Jansky(10–26W/m2/Hz) 10–26kg⋅s–2
K Kelvin K
k k(Boltzmann) 1.38065×10–23kg⋅m+2⋅s–2⋅K–1
kg kilogram kg
l litre 10–3m+3
lm lumen 7.95775×10–2cd
Lsun solar luminosity 3.826×10+26W (kg⋅m+2⋅s–3)
lx lux(lm/m2) 7.95775×10–2m–2⋅cd
lyr light-year (c*yr) 9.46053×10+15m
m metre m
mag magnitude mag
mas milli-second of arc 7.71605×10–10
me me(electron_mass) 9.10938×10–31kg
Mgeo Earth mass 5.9742×10+24kg
min minute 6×10+1s
MJD Mod. Julian Date (JD–2400000.5) 8.64×10+4s
Mjup Jupiter mass 1.8986×10+27kg
mmHg mercury_mm 1.33322×10+2Pa (kg⋅m–1⋅s–2)
mol mole mol
month month  
mp mp(proton_mass) 1.67266×10–27kg
Msun solar mass 1.989×10+30kg
mu0 (magnetic constant) 1.25664×10–6kg⋅m⋅s–2⋅A–2
muB (Bohr magneton) 9.27401×10–28m+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 3.0857×10+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 1.59155×10–1
Rgeo Earth radius (eq) 6.3781×10+6m
Rjup Jupiter radius (eq) 7.1492×10+7m
Rsun solar radius 6.9599×10+8m
Ry Rydberg(13.6eV) 2.17989×10–18J (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 3.826×10+26W (kg⋅m+2⋅s–3)
solMass solar mass 1.989×10+30kg
solRad solar radius 6.9599×10+8m
sr steradian 7.95775×10–2
Sun Solar unit  
T Tesla T (kg⋅s–2⋅A–1)
t ton 10+3kg
u atomic mass unit 1.66054×10–27kg
uas micro-second of arc 7.71605×10–13
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 3.15576×10+7s
° degree 2.77778×10–3
°C Celsius K
°F Fahrenheit 5.55556×10–1K
µ0 (magnetic constant) 1.25664×10–6kg⋅m⋅s–2⋅A–2
µas micro-second of arc 7.71605×10–13
Å Angstroem(0.1nm) 10–10m
"d:m:s" degree arcminute arcsecond (sexagesimal angle from degree)2.77778×10–3
"date" Fully qualified date 8.64×10+4s
"datime" Fully qualified date/time 8.64×10+4s
"day" Day of month number 8.64×10+4s
"h:m:s" hour minutes seconds (sexagesimal time from hours)3.6×10+3s
"h:m" hour minutes (sexagesimal time from hours)3.6×10+3s
"HH:MM:SS" hour minutes seconds (sexagesimal time)3.6×10+3s
"HHMMSS" hour minutes seconds (sexagesimal time without separator)3.6×10+3s
"m:s" minutes seconds (sexagesimal time from minutes)6×10+1s
"MM/YY" Month/Year(from 1900) 2.6298×10+6s
"MM/yy" Month/Year(from 2000) 2.6298×10+6s
"month" Month name or number 2.6298×10+6s
"Y-M-D,h:m:s" Fully qualified date/time 8.64×10+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)