Distância Astronômica
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
1 pc = 3,262 ly = 206.265 UA
About this calculator
The Astronomical Distance calculator is an online tool that allows converting astronomical units of measurement, such as parsecs (pc), light-years (ly), and astronomical units (au).
The conversion formula is based on the equivalence of 1 parsec, which equals 3.262 light-years and 206,265 astronomical units. This relationship is crucial for calculating distances on cosmic scales.
This calculator is useful in various situations, such as calculating the distance between stars, planets, and galaxies. For example, if you know the distance to a star in parsecs, you can easily convert it to light-years or astronomical units.
Common precautions when using this calculator include ensuring that the input units are consistent and verifying that the results are within the expected range, considering the astronomical scale in question.
Frequently asked questions
What is a parsec?
A parsec is an astronomical unit of measurement that equals the distance at which a star would have a parallax of one second of arc. It is a fundamental unit for measuring distances on cosmic scales.
How do I convert light-years to parsecs?
To convert light-years to parsecs, simply divide the value in light-years by 3.262. For example, 10 light-years is equivalent to approximately 3.06 parsecs.
What is the accuracy of the calculator?
The accuracy of the calculator depends on the accuracy of the inputs and the conversion formula used. In general, the calculator provides accurate results for most astronomical applications.
Can I use this calculator to calculate distances on Earth?
No, this calculator is designed to calculate distances on astronomical scales, not terrestrial scales. To calculate distances on Earth, it is better to use a terrestrial distance calculator.