Calculate the distance to a nearby star using the parallax method, which measures the apparent shift of a star against background stars as Earth orbits the Sun. This is the foundation of the cosmic distance ladder.
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Proxima Centauri: 0.768 arcsec
Distance to the star
How this calculator works
Distance in parsecs equals one divided by the parallax angle in arcseconds. This is the definition of the parsec unit.
Common questions about this calculator
These calculators are for educational and informational purposes only. While we strive for accuracy, results should be verified for critical applications. Always consult authoritative sources for engineering or scientific work.
