Calculate cosmic distances and understand universe expansion using Hubble's Law.
Use Hubble's Law (v = H₀ × d) to calculate galaxy distances, expansion velocities, and explore the fundamental relationship between distance and redshift in our expanding universe.
Click on any example to load it into the calculator.
A close galaxy with low recessional velocity, showing local motion effects.
Velocity: 300 km/s
Hubble Constant: 70 km/s/Mpc
Distance: 0.78 Mpc
Redshift: 0.001
A typical galaxy at moderate distance showing clear expansion effects.
Velocity: 2100 km/s
Hubble Constant: 70 km/s/Mpc
Distance: 30 Mpc
Redshift: 0.007
A far-away galaxy demonstrating significant cosmological expansion.
Velocity: 7000 km/s
Hubble Constant: 70 km/s/Mpc
Distance: 100 Mpc
Redshift: 0.023
A very distant object showing substantial redshift and expansion.
Velocity: 21000 km/s
Hubble Constant: 70 km/s/Mpc
Distance: 300 Mpc
Redshift: 0.07