Parallax Calculator: Accurately Measure Stellar Distances

Calculate Stellar Distance from Parallax Angle

Enter the observed parallax angle of the celestial object in arcseconds.

Calculation Results:

Distance (d) in Parsecs:

Distance (d) in Light-Years:

Discover the vastness of space with our accurate Parallax Calculator. This essential astronomy tool helps you compute the distance to celestial bodies in both parsecs and light-years based on their observed parallax angle in arcseconds. Ideal for students, educators, and astronomy enthusiasts exploring stellar magnitudes.

Formula:

The fundamental formula for calculating the distance (d) to a star using its parallax angle (p) is:

  • d = 1 / p

Where:

  • d is the distance in parsecs.
  • p is the parallax angle in arcseconds.

To convert the distance from parsecs to light-years, we use the approximation:

  • 1 parsec ≈ 3.26 light-years

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