Convert Light Years to Inches
1 light year = 3.724697e+17 inches. Type any value below to convert in either direction — the calculation happens in your browser.
Light Years to Inches formula
Multiply the number of light years by 3.724697e+17 to get inches.
inches = light years × 3.724697e+17To go the other way: divide the number of inches by 3.724697e+17, or multiply by 2.684782e-18.
light years = inches ÷ 3.724697e+17Light Years to Inches conversion table
| Light Years | Inches |
|---|---|
| 1 ly | 3.724697e+17 in |
| 2 ly | 7.449394e+17 in |
| 3 ly | 1.117409e+18 in |
| 4 ly | 1.489879e+18 in |
| 5 ly | 1.862349e+18 in |
| 6 ly | 2.234818e+18 in |
| 7 ly | 2.607288e+18 in |
| 8 ly | 2.979758e+18 in |
| 9 ly | 3.352227e+18 in |
| 10 ly | 3.724697e+18 in |
| 15 ly | 5.587046e+18 in |
| 20 ly | 7.449394e+18 in |
| 25 ly | 9.311743e+18 in |
| 30 ly | 1.117409e+19 in |
| 40 ly | 1.489879e+19 in |
| 50 ly | 1.862349e+19 in |
| 75 ly | 2.793523e+19 in |
| 100 ly | 3.724697e+19 in |
| 250 ly | 9.311743e+19 in |
| 500 ly | 1.862349e+20 in |
| 1,000 ly | 3.724697e+20 in |
Inches to Light Years conversion table
| Inches | Light Years |
|---|---|
| 1 in | 2.684782e-18 ly |
| 2 in | 5.369564e-18 ly |
| 3 in | 8.054346e-18 ly |
| 4 in | 1.073913e-17 ly |
| 5 in | 1.342391e-17 ly |
| 6 in | 1.610869e-17 ly |
| 7 in | 1.879347e-17 ly |
| 8 in | 2.147826e-17 ly |
| 9 in | 2.416304e-17 ly |
| 10 in | 2.684782e-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 inch
An inch is exactly 25.4 millimetres and is used for screen sizes, pipe diameters and paper dimensions.
Frequently asked questions
How many inches are in a light year?
There are 3.724697e+17 inches in one light year.
How many light years are in a inch?
There are 2.684782e-18 light years in one inch.
Is this conversion exact?
The ratio between the light year and the inch is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 light years in inches?
10 light years equals 3.724697e+18 inches.