Light Years ↔ Parsecs ↔ AU Converter
Convert between Light Years, Parsecs, and Astronomical Units
Light Years
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Parsecs
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Astronomical Units
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Conversion Reference
| From | To | Formula |
|---|---|---|
| Light Years | Parsecs | 1 ly = 0.306601 pc |
| Light Years | AU | 1 ly = 63,241.1 AU |
| Parsecs | Light Years | 1 pc = 3.26156 ly |
| Parsecs | AU | 1 pc = 206,265 AU |
| AU | Light Years | 1 AU = 1.58125e-5 ly |
| AU | Parsecs | 1 AU = 4.84814e-6 pc |
Light Year (ly): Distance light travels in one year (≈ 9.46 trillion km)
Parsec (pc): Distance at which 1 AU subtends an angle of 1 arcsecond (≈ 3.26 ly)
Astronomical Unit (AU): Average distance from Earth to Sun (≈ 149.6 million km)