Astronomical Distance Conversions

Convert astronomical distances between kilometers, AU, light-years, and parsecs.
Includes reference distances to the Moon, Sun, nearby stars, and galaxies.

Astronomical Distance Converter

Convert between kilometers, astronomical units, light-years, and parsecs instantly. Type in any field and the others update automatically.

Embed This Calculator

Copy the code below and paste it into your website or blog.
The calculator will work directly on your page.