Foot to Light Year (ft to ly)
Convert ft to ly — Length converter
One foot equals 3.221647e-17 ly, so to convert feet to light years you multiply the value by 3.221647e-17. A foot is smaller than a light year — going the other way, 1 ly = 3.104003e+16 ft. For example, 10 ft = 3.221647e-16 ly and 50 ft = 1.610823e-15 ly.
3.221647e-17Click to copy
1 ft = 3.221647e-17 ly
Foot to Light Year formula
1 Foot = 3.221647e-17 ly
Worked examples
- 25 ft = 8.054117e-16 ly
- 100 ft = 3.221647e-15 ly
Foot to Light Year conversion table
| Foot (ft) | Light Year (ly) |
|---|---|
| 1 | 3.221647e-17 |
| 2 | 6.443294e-17 |
| 3 | 9.664940e-17 |
| 5 | 1.610823e-16 |
| 8 | 2.577317e-16 |
| 10 | 3.221647e-16 |
| 12 | 3.865976e-16 |
| 15 | 4.832470e-16 |
| 20 | 6.443294e-16 |
| 25 | 8.054117e-16 |
| 50 | 1.610823e-15 |
| 100 | 3.221647e-15 |
| 250 | 8.054117e-15 |
| 500 | 1.610823e-14 |
| 1000 | 3.221647e-14 |
Frequently asked questions
How many light years are in one foot?
One foot equals 3.221647e-17 light years (ly).
How many feet are in one light year?
One light year equals 3.104003e+16 feet (ft).
How do you convert feet to light years?
1 Foot = 3.221647e-17 ly. Use the calculator above for any value.
What is 5 ft in ly?
5 ft = 1.610823e-16 ly.
What is 100 ft in ly?
100 ft = 3.221647e-15 ly.
What is 10 ft in ly?
10 ft = 3.221647e-16 ly.
What is 20 ft in ly?
20 ft = 6.443294e-16 ly.
Is a foot bigger than a light year?
No. A foot is smaller — one foot equals 3.221647e-17 light years, while one light year equals 3.104003e+16 feet.