A NEW IMPROVED Cosmology Calculator

Enter fundamental cosmological parameters and get back useful physical parameters about objects in the distant universe.

Note: all fields must be filled in for this form to work;


Redshift (z): Enter a comma separated list of up to 20 values, z=0--10

H0 : OmegaMatter : OmegaLambda : Luminosity (erg/s or similar) :


Age of Universe at z Lookback time to z (yrs) Angular Scale (1"=x kpc) at z Surf. Brtness Factor Obs. Flux (Input Lum/cm^2) Eff. Dist. Modulus K correction bandpass term

Click on 'Compute' or 'Clear Boxes' to clear the above text boxes and try again.