Convert Light Years to Centimeters
1 light year = 9.460730e+17 centimeters. Type any value below to convert in either direction — the calculation happens in your browser.
Light Years to Centimeters formula
Multiply the number of light years by 9.460730e+17 to get centimeters.
centimeters = light years × 9.460730e+17To go the other way: divide the number of centimeters by 9.460730e+17, or multiply by 1.057001e-18.
light years = centimeters ÷ 9.460730e+17Light Years to Centimeters conversion table
| Light Years | Centimeters |
|---|---|
| 1 ly | 9.460730e+17 cm |
| 2 ly | 1.892146e+18 cm |
| 3 ly | 2.838219e+18 cm |
| 4 ly | 3.784292e+18 cm |
| 5 ly | 4.730365e+18 cm |
| 6 ly | 5.676438e+18 cm |
| 7 ly | 6.622511e+18 cm |
| 8 ly | 7.568584e+18 cm |
| 9 ly | 8.514657e+18 cm |
| 10 ly | 9.460730e+18 cm |
| 15 ly | 1.419110e+19 cm |
| 20 ly | 1.892146e+19 cm |
| 25 ly | 2.365183e+19 cm |
| 30 ly | 2.838219e+19 cm |
| 40 ly | 3.784292e+19 cm |
| 50 ly | 4.730365e+19 cm |
| 75 ly | 7.095548e+19 cm |
| 100 ly | 9.460730e+19 cm |
| 250 ly | 2.365183e+20 cm |
| 500 ly | 4.730365e+20 cm |
| 1,000 ly | 9.460730e+20 cm |
Centimeters to Light Years conversion table
| Centimeters | Light Years |
|---|---|
| 1 cm | 1.057001e-18 ly |
| 2 cm | 2.114002e-18 ly |
| 3 cm | 3.171003e-18 ly |
| 4 cm | 4.228003e-18 ly |
| 5 cm | 5.285004e-18 ly |
| 6 cm | 6.342005e-18 ly |
| 7 cm | 7.399006e-18 ly |
| 8 cm | 8.456007e-18 ly |
| 9 cm | 9.513008e-18 ly |
| 10 cm | 1.057001e-17 ly |
About the light year
A light year is the distance light travels in one Julian year, about 9.46 trillion kilometres.
About the centimeter
A centimetre is one hundredth of a metre, the everyday metric unit for body measurements and small objects.
Frequently asked questions
How many centimeters are in a light year?
There are 9.460730e+17 centimeters in one light year.
How many light years are in a centimeter?
There are 1.057001e-18 light years in one centimeter.
Is this conversion exact?
The ratio between the light year and the centimeter is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 light years in centimeters?
10 light years equals 9.460730e+18 centimeters.
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