Hubble Redshift Calculator
Estimate the recession velocity and cosmological redshift of a galaxy using Hubble's Law.
How to Use the Hubble Redshift Calculator
- Enter the distance to the galaxy in megaparsecs.
- Enter the Hubble constant (default ~70 km/s/Mpc).
- Click Calculate.
- Review recession velocity and redshift.
使用例
- •Cosmology research
- •Galaxy distance estimation
- •Astronomy education
計算式
v = H₀ × d; z = v / c
よくある質問
How accurate is this calculator?
Results are based on standard scientific formulas and are suitable for preliminary estimates.
What units are used?
SI units (metres, kg, seconds) are used unless otherwise noted.
Is it free?
Yes, all calculators are completely free.