Anos-luz → Parsec

Converter anos-luz para parsecs.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

pc
3,0660

Formula

1 pc ≈ 3,26 ly

About this calculator

The converter from light-years to parsecs is a useful tool for astronomers and space enthusiasts. It allows for the quick and accurate conversion of astronomical distance units from light-years to parsecs. The conversion is based on the relationship between the two units, where 1 parsec is approximately equal to 3.26 light-years.

The formula used is simple: just divide the value in light-years by 3.26 to get the equivalent value in parsecs. This is because parsecs are defined as the distance at which an object would be if its annual parallax were one second of arc, which corresponds to about 3.26 light-years.

Light-years and parsecs are units of distance commonly used in astronomy. While light-years are more intuitive for distances within our galaxy, parsecs are preferred for interstellar and intergalactic distances due to their more suitable scale.

When using this calculator, it's essential to be careful with the precision of the values entered, as small variations can result in significant differences in astronomical distances. Additionally, it's crucial to remember that these units are just one way to express enormous distances in a more understandable manner.

Frequently asked questions

What is a light-year?

A light-year is a unit of distance that equals the distance light travels in one year, about 9.461 trillion kilometers.

What is a parsec?

A parsec is an astronomical distance unit equivalent to about 3.26 light-years or 30.86 trillion kilometers.

Why do I need to convert light-years to parsecs?

Conversion is necessary because, in astronomy, different units are used for different distance scales. Parsecs are more suitable for expressing interstellar and intergalactic distances.

How does the conversion work?

The conversion is done by dividing the value in light-years by 3.26.

Can I use this calculator for distances within the solar system?

No, for distances within the solar system, units like kilometers or astronomical units (AU) are more appropriate.

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