1 light year = 9,460,730,472,580,800 m ÷ 30,856,775,814,913,670 m per parsec = 0.3066 → 0.31

• en.wikipedia.org

1 light year = 9,460,730,472,580,800 m ÷ 1,234,000,000,000 m per Betelgeuse = 7667 → 7,667

• a supergiant star

1 light year = 9,460,730,472,580,800 m ÷ 149,597,870,700 m per astronomical unit = 63240 → 63,241

• Earth–Sun distance

1 light year = 9,460,730,472,580,800 m ÷ 149,597,870,261 m per Earth-to-Sun distance = 63240 → 63,241

• space.com