Convert 1 astronomical unit to light-year (traditional)

1 AU (astronomical unit) is equal to 0.000015823337890850774 light-year (traditional). To convert from astronomical unit to light-year (traditional), multiply by 0.000015823337890850777 or divide by 63,197.79094006523.

• 1 AU × 1.5823337890851E-5 = 1.5823337890851E-5 light-year (traditional)
• 1 AU ÷ 63197.790940065 = 1.5823337890851E-5 light-year (traditional)