Convert light-year to light-second

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

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Example: light-year to light-second

Starting value Increment Accuracy

To convert light-year to light-second, multiply by 31557600.

1 ly = 31557600 ls

Example: 1 light-year = 31557600 light-second

Score: 0

2 light-second equals 1.27 × 10⁻⁸ light-year.

Correct answer: 2 light-second = 6.34 × 10⁻⁸ light-year.

10 light-second equals 3.17 × 10⁻⁷ light-year.

Correct answer: 10 light-second = 3.17 × 10⁻⁷ light-year.

2 light-year equals 3.16 × 10⁸ light-second.

Correct answer: 2 light-year = 6.31 × 10⁷ light-second.

20 light-second equals 3.17 × 10⁻⁶ light-year.

Correct answer: 20 light-second = 6.34 × 10⁻⁷ light-year.