📐 Light Years to Centimeters Converter

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1 light year =
9.46073 × 10¹⁷ centimeters
1 centimeter =
1.057 × 10⁻¹⁸ light years
Formula
cm = ly × 9.46073 × 10¹⁷
Handy values
5 ly = 4.73037 × 10¹⁸ cm · 10 ly = 9.46073 × 10¹⁸ cm · 100 ly = 9.46073 × 10¹⁹ cm

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⚡ Light Years to Centimeters: the quick answer

1 ly = 9.46073 × 10¹⁷ cm 1 light year equals 9.46073 × 10¹⁷ centimeters

To convert light years to centimeters, multiply the value by 9.46073 × 10¹⁷. To go the other way, multiply centimeters by 1.057 × 10⁻¹⁸ to get light years.

↔ Convert centimeters to light years instead

🧮 Formula

Light Years to Centimeters
cm = ly × 9.46073 × 10¹⁷
Centimeters to Light Years
ly = cm × 1.057 × 10⁻¹⁸

Where

  • ly = the length in light years
  • cm = the length in centimeters
Every unit here is defined by its length in meters, so the conversion factor is (meters per light year) ÷ (meters per centimeter).

📊 Light Years to Centimeters conversion table

Light Years (ly)Centimeters (cm)
1 ly9.46073 × 10¹⁷ cm
2 ly1.89215 × 10¹⁸ cm
3 ly2.83822 × 10¹⁸ cm
4 ly3.78429 × 10¹⁸ cm
5 ly4.73037 × 10¹⁸ cm
6 ly5.67644 × 10¹⁸ cm
7 ly6.62251 × 10¹⁸ cm
8 ly7.56858 × 10¹⁸ cm
9 ly8.51466 × 10¹⁸ cm
10 ly9.46073 × 10¹⁸ cm
12 ly1.13529 × 10¹⁹ cm
14 ly1.3245 × 10¹⁹ cm
15 ly1.41911 × 10¹⁹ cm
20 ly1.89215 × 10¹⁹ cm
21 ly1.98675 × 10¹⁹ cm
24 ly2.27058 × 10¹⁹ cm
25 ly2.36518 × 10¹⁹ cm
30 ly2.83822 × 10¹⁹ cm
40 ly3.78429 × 10¹⁹ cm
50 ly4.73037 × 10¹⁹ cm
60 ly5.67644 × 10¹⁹ cm
75 ly7.09555 × 10¹⁹ cm
80 ly7.56858 × 10¹⁹ cm
100 ly9.46073 × 10¹⁹ cm
200 ly1.89215 × 10²⁰ cm
250 ly2.36518 × 10²⁰ cm
300 ly2.83822 × 10²⁰ cm
400 ly3.78429 × 10²⁰ cm
500 ly4.73037 × 10²⁰ cm
750 ly7.09555 × 10²⁰ cm
1,000 ly9.46073 × 10²⁰ cm

✏️ Worked examples

Convert 25 light years to centimeters

25 ly × 9.46073 × 10¹⁷ = 2.36518 × 10¹⁹ cm

Try this example →

Convert 250 light years to centimeters

250 ly × 9.46073 × 10¹⁷ = 2.36518 × 10²⁰ cm

Try this example →

📘 About these units

Light year (ly). A light year is the distance light travels in one year, about 9.46 trillion kilometers.

Centimeter (cm). A centimeter is one hundredth of a meter, used for everyday measurements such as height and clothing sizes.

❓ Frequently asked questions

How many centimeters are in one light year?

There are 9.46073 × 10¹⁷ centimeters in one light year.

How do I convert light years to centimeters?

Multiply the number of light years by 9.46073 × 10¹⁷. For example, 10 light years equal 9.46073 × 10¹⁸ centimeters.

How many light years are in one centimeter?

One centimeter equals 1.057 × 10⁻¹⁸ light years.

How many centimeters is 12 light years?

1.13529 × 10¹⁹ centimeters. Other common values: 5 light years = 4.73037 × 10¹⁸ centimeters and 100 light years = 9.46073 × 10¹⁹ centimeters.

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