Table Of Contents
Light year to feet Conversion
1 light year (ly) is equal to 31039141970000000 feet (ft).
1 ly = 31039141970000000 ft
or
1 ft = 0.00000000000000003221738542 ly
Formula
To convert a length from light year (ly) to feet (ft), multiply the length in light year by 31039141970000000
l(ft) = l(ly) × 31039141970000000
Examples:
Convert 100 light year to feet:
l(ft) = 100ly × 31039141970000000 = 3103914197000000000 ft
Conversion table
| Light year (ly) | Feet (ft) |
|---|---|
| 1 ly | 3.103914e16 ft |
| 2 ly | 6.207828e16 ft |
| 3 ly | 9.311743e16 ft |
| 5 ly | 1.551957e17 ft |
| 10 ly | 3.103914e17 ft |
| 20 ly | 6.207828e17 ft |
| 25 ly | 7.759785e17 ft |
| 50 ly | 1.551957e18 ft |
| 100 ly | 3.103914e18 ft |
| 250 ly | 7.759785e18 ft |
| 500 ly | 1.551957e19 ft |
| 1000 ly | 3.103914e19 ft |
| Feet (ft) | Light year (ly) |
|---|---|
| 1 ft | 0 ly |
| 2 ft | 0 ly |
| 3 ft | 0 ly |
| 5 ft | 0 ly |
| 10 ft | 0 ly |
| 20 ft | 0 ly |
| 25 ft | 0 ly |
| 50 ft | 0 ly |
| 100 ft | 0 ly |
| 250 ft | 0 ly |
| 500 ft | 0 ly |
| 1000 ft | 0 ly |
Frequently asked questions
How do I convert light year to feet?
Multiply the value in light year by 31039141970000000 to get the result in feet. For example, 5 ly × 31039141970000000 = 1.551957e17 ft.
How many feet are in 1 light year?
1 light year (ly) is equal to 3.103914e16 feet (ft).
How do I convert feet back to light year?
Use the inverse operation: divide the value in feet by 31039141970000000 to get the result in light year.
How accurate is the light year to feet conversion?
The converter multiplies by the conversion factor 31039141970000000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
