Cosmological Calculator, Feb 2013 (LCDM model, default inputs: Planck mission 2013)

Omega Matter Now default value, change if required
Omega Lambda Now default value, change if required
Redshift of matter-radiation density equality default value, change if required
Hubble Constant Now Km/s per Mpc default value, change if required
Redshift (z) of the source Now (def. = CMB) limits: 0.00001 < z < 1,000,000
(Restores defaults)
Values "Now", when photons arrived Values "Then", when photons left source
Proper distance of the source MLy Proper distance of the source Mly
Lookback time My Hubble constant Km/s per Mpc
Cosmological Time or "age" of universe My Cosmological Time or "age" of universe My
Proper recession speed c Proper recession speed c
Proper radius of the particle horizon MLy Proper radius of the particle horizon MLy
Hubble time or radius My or Mly Hubble time or radius My or Mly
Approximate luminosity distance Mly Omega Matter
Approximate diameter distance Mly Omega Radiation
Apparent recession speed (SR value) c Omega Lambda
Time needed for 1% growth in cosmic distance My Time needed for 1% growth in cosmic distance My

Go to Tabular Cosmological Calculator.

1Various observed cosmological observations are used in mathematical models, which then yield the maximum likelihood values of these parameters.

Refer to: Hinshaw et al. 2012, Table 2.

2 http://en.wikipedia.org/wiki/Distance_measures_(cosmology), equations for DM, DA and DL.