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Convert light-second to astronomical unit

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

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

Light-second to astronomical unit conversion table

light-second astronomical unit
1 0.002004
2 0.004008
5 0.01002
10 0.02004
20 0.04008
50 0.100199
100 0.200399

Light-second to astronomical unit formula

To convert light-second to astronomical unit, multiply by 0.002004.

1 ls = 0.002004 AU
Example: 1 light-second = 0.002004 astronomical unit

Quick light-second and astronomical unit conversion quiz

Score: 0

142 light-second equals 0.427 astronomical unit.

Correct answer: 142 light-second = 0.285 astronomical unit.

12.5 astronomical unit equals 3.74e+3 light-second.

Correct answer: 12.5 astronomical unit = 6.24e+3 light-second.

158 light-second equals 0.19 astronomical unit.

Correct answer: 158 light-second = 0.317 astronomical unit.

100 astronomical unit equals 9.98e+4 light-second.

Correct answer: 100 astronomical unit = 4.99e+4 light-second.

23.7 light-second equals 0.0237 astronomical unit.

Correct answer: 23.7 light-second = 0.0475 astronomical unit.

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