Marks Calc

light years to feet

Convert light year to foot — instant, free, with the formula shown.

1 ly=3.1039e+16 ft

How to convert light year to foot

To convert light year to foot, multiply by 3.1039e+16:

ft = ly × 3.1039e+16

For example, 10 ly × 3.1039e+16 = 3.1039e+17 ft.

ly to ft conversion table

light years (ly)feet (ft)
1 ly3.1039e+16 ft
2 ly6.2078e+16 ft
5 ly1.5520e+17 ft
10 ly3.1039e+17 ft
25 ly7.7598e+17 ft
50 ly1.5520e+18 ft
100 ly3.1039e+18 ft
250 ly7.7598e+18 ft
500 ly1.5520e+19 ft
1000 ly3.1039e+19 ft
Reverse: Foot to Light Year

Other light year conversions

Convert to foot from another unit

ly to ft — frequently asked

How many feet are in 1 light year?

1 light year = 3.1039e+16 feet (ly × 3.1039e+16 = ft).

What is the formula to convert light year to foot?

Multiply your light year value by 3.1039e+16 to get foot.

How do I convert 10 light years to feet?

10 ly = 3.1039e+17 ft. For 100 ly the answer is 3.1039e+18 ft. Use the calculator on this page for any other value.

When to convert light year to foot

1Engineering and construction (mm to feet, meters to inches)
2Running, cycling and athletics (km to miles, miles to yards)
3International shipping and travel (nautical miles, kilometers)
4Manufacturing tolerances (micrometers and nanometers)

Length conversion — common questions

How many feet are in 1 meter?

1 meter equals approximately 3.2808 feet. The exact conversion factor is 1 ft = 0.3048 m.

How do I convert kilometers to miles?

Multiply the kilometer value by 0.621371. For example, 10 km × 0.621371 ≈ 6.2137 miles.

Is 1 yard exactly 3 feet?

Yes. By definition 1 yard = 3 feet = 36 inches = 0.9144 meters.

See all length converters