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Astronomical Unit Calculator
Convert Astronomical Units (AU) to kilometers, miles, and light-years
Astronomical Unit Standard: $1\text{ AU}$ is approximately equal to the mean distance from the Earth to the Sun ($149,597,870.7\text{ km}$ or about $93\text{ million miles}$).
Distance Input
Calculation Results
⚠️ Astronomical units are primarily used for measuring distances within the solar system. For interstellar distances, light-years or parsecs are standard.