Convert Light Year to Inch
Type the number of light years that you wish to convert to inches.
How to Convert Light Years to Inches
The light year and inch are both units of length. By definition, 1 light year equals exactly 3.7248031496e17 inches. This means to convert light years to inches, you multiply by 3.7248031496e17.
Formula
Step-by-Step Example
Convert 5 ly to inches:
We need to convert light years to inches
Since 1 ly = 3.7248031496e17 in, multiply by 3.7248031496e17
5 × 3.7248031496e17 = 1.8624015748e18
5 ly = 1.8624015748e18 in
Light Year to Inch Conversion Table
Quick reference table for common light year to inch conversions. Click any value for detailed calculation.
| Light Years (ly) | Inches (in) |
|---|---|
| 0.1 ly | 3.7248031496e16 in |
| 0.5 ly | 1.8624015748e17 in |
| 1 ly | 3.7248031496e17 in |
| 2 ly | 7.4496062992e17 in |
| 5 ly | 1.8624015748e18 in |
| 10 ly | 3.7248031496e18 in |
| 25 ly | 9.312007874e18 in |
| 50 ly | 1.8624015748e19 in |
| 100 ly | 3.7248031496e19 in |
About These Units
Light Year (ly)
A light year (ly) is the distance light travels in one year: approximately 9.461 trillion kilometers or 5.879 trillion miles. Light years measure interstellar distances. The nearest star Proxima Centauri is 4.24 light years away. Light travels 299,792 km/second.
Inch (in)
An inch (in or ") is an imperial unit equal to 1/12 foot or exactly 2.54 centimeters. Inches measure screen sizes (TVs, monitors, phones), paper dimensions, rainfall, and small objects in the US, UK, and Canada. There are 25.4 millimeters in one inch.
Frequently Asked Questions
How do I convert light years to inches?
To convert light years to inches, multiply the value by 3.7248031496e17. For example, 10 ly = 3.7248031496e18 in.
How many inches are in 1 light year?
1 light year equals 3.7248031496e17 inches.
What is the formula for light years to inches?
The formula is: in = ly × 3.7248031496e17.