Convert between light-year, parsec, AU, kilometer, mile
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Convert between mm, cm, m, km, inches, feet, yards, miles, and nautical miles
Convert between m/s, km/h, mph, knots, ft/s, and Mach
Convert between milliseconds, seconds, minutes, hours, days, weeks, months, and years
Convert between metric and imperial units for length, weight, temperature, and more
The Astronomical Distance Converter provides instant conversion between light-years, parsecs, astronomical units, kilometers and more. Simply enter a value in any unit and see all other conversions updated in real time. Click any result to copy it to your clipboard. This tool is essential for astronomy, astrophysics, and space science education. All calculations are performed locally in your browser with no data sent to any server, ensuring fast results and complete privacy.