Convert 1 astronomical unit to light-year (Gregorian)

1 AU (astronomical unit) is equal to 0.000015812832105136812 light-year (Gregorian). To convert from astronomical unit to light-year (Gregorian), multiply by 0.000015812832105136812 or divide by 63,239.77851349911.

• 1 AU × 1.5812832105137E-5 = 1.5812832105137E-5 light-year (Gregorian)
• 1 AU ÷ 63239.778513499 = 1.5812832105137E-5 light-year (Gregorian)