Light-years to Feet Converter
Convert light-years to feet instantly. One light-year equals 3.1039e+16 feet, so you can type any value in ly and read the answer in ft. The page…
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Convert light-years to feet instantly. One light-year equals 3.1039e+16 feet, so you can type any value in ly and read the answer in ft. The page also shows a conversion table and the exact formula used.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
1 ly = 3.1039e+16 ft
With the default inputs (value in light-years = 1 ly), the results are: feet 3.1039e+16 ft.
Light-years to feet conversion table
Reference table based on the example values; it is not your calculation result.
| light-years (ly) | feet (ft) |
|---|---|
| 1 | 3.1039e+16 |
| 2 | 6.2078e+16 |
| 5 | 1.552e+17 |
| 10 | 3.1039e+17 |
| 25 | 7.7598e+17 |
| 50 | 1.552e+18 |
| 100 | 3.1039e+18 |
| 500 | 1.552e+19 |
| 1,000 | 3.1039e+19 |
Frequently asked questions
How many feet are in one light-year?
1 light-year = 3.1039e+16 feet.
What is the formula to convert light-years to feet?
Multiply the value in light-years by 3.1039e+16.
How do I convert feet back to light-years?
1 foot = 3.2217e-17 light-years.
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