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Light-Year Calculator
Convert between light-years and other distance units
📖 Light-Year
A light-year is the distance that light travels in one year in a vacuum. It's approximately 9.461 trillion kilometers or 5.879 trillion miles. It's commonly used to measure astronomical distances.
📊 Result
💡 Tips & Information
- 1 light-year = 9.461 × 10¹² km = 5.879 × 10¹² miles
- 1 light-year = 63,241 AU (Astronomical Units)
- 1 light-year ≈ 0.3066 parsecs
- Proxima Centauri is about 4.24 light-years away
- Light-year measures distance, not time