Ned Wright's (Updated) Cosmology Calculator

Input one value each for H0, ΩM, Ωvac to apply the same cosmology to all redshifts.

z
H0
ΩM
Ωvac
1 Gyr = 1 billion years, 1 Mpc = 1 million parsecs = 3,261,566 light years.

© 1999-2012 Edward L. Wright - Cite Wright (2006, PASP, 118, 1711). Adapted at .Astronomy 4 and AAS 221 Hack Day.