Astronomical Units of Lengths

• 1" = 2.54 cm
• 1 AU {Astronomical Unit} = 149.6 · 10⁹ m (average distance between the earth 🌍 and our sun ☀️)
• 1 Light Year = 9.46 · 10¹⁵ m = 63240 AU
• 1 pc {Parsec} = 30.857 · 10¹⁵ m = 206264.8 AU