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Convert astronomical unit to light-second

Here you can quickly calculate how many light-second fit in one astronomical unit.
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  • 1 AU = 499.004784 ls
  • 1 ls = 0.002004 AU

Example: astronomical unit to light-second

  • 1 astronomical unit = 499.004784 light-second

Astronomical unit to light-second conversion table

astronomical unit light-second
1 499.004784
2 998.009568
5 2495.023919
10 4990.047838
20 9980.095677
50 24950.239192
100 49900.478384

Astronomical unit to light-second formula

To convert astronomical unit to light-second, multiply by 499.004784.

1 AU = 499.004784 ls
Example: 1 astronomical unit = 499.004784 light-second

Quick astronomical unit and light-second conversion quiz

Score: 0

5.8 light-second equals 0.00697 astronomical unit.

Correct answer: 5.8 light-second = 0.0116 astronomical unit.

227 astronomical unit equals 113 000 light-second.

Correct answer: 227 astronomical unit = 113 000 light-second.

155 light-second equals 0.186 astronomical unit.

Correct answer: 155 light-second = 0.311 astronomical unit.

17.9 astronomical unit equals 17 900 light-second.

Correct answer: 17.9 astronomical unit = 8 930 light-second.

10.9 light-second equals 0.0131 astronomical unit.

Correct answer: 10.9 light-second = 0.0218 astronomical unit.

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