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Convert astronomical unit to light-second

Here you can quickly calculate how many light-second fit in one astronomical unit.

- scroll: formula · table · questions -

  • 1 AU = 499.004784 ls
  • 1 ls = 0.002004 AU

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

Formula to convert astronomical unit to light-second

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 to/from light-second conversion quiz

Score: 0

19.4 astronomical unit equals 9.68e+3 light-second.

Correct answer: 19.4 astronomical unit = 9.68e+3 light-second.

0.4 astronomical unit equals 200 light-second.

Correct answer: 0.4 astronomical unit = 200 light-second.

9.1 light-second equals 0.0109 astronomical unit.

Correct answer: 9.1 light-second = 0.0182 astronomical unit.

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