Convert light-year to meter

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

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Example: light-year to meter

Starting value Increment Accuracy

To convert light-year to meter, multiply by 9460730472580800.

1 ly = 9460730472580800 m

Example: 1 light-year = 9460730472580800 meter

A yard looks like a meter but is 0.9144 m, nearly 10% shorter. Over short distances the difference hides; over 1,000 yards it has grown to 86 meters. Multiply yards by 0.9144 to get meters instead of treating them as equal.

Score: 0

5 light-year equals 4.73 × 10¹⁷ meter.

Correct answer: 5 light-year = 4.73 × 10¹⁶ meter.

1 light-year equals 9.46 × 10¹⁵ meter.

Correct answer: 1 light-year = 9.46 × 10¹⁵ meter.

20 meter equals 1.06 × 10⁻¹⁴ light-year.

Correct answer: 20 meter = 2.11 × 10⁻¹⁵ light-year.

50 light-year equals 4.73 × 10¹⁶ meter.

Correct answer: 50 light-year = 4.73 × 10¹⁷ meter.

20 meter equals 2.11 × 10⁻¹⁴ light-year.

Correct answer: 20 meter = 2.11 × 10⁻¹⁵ light-year.