Length Converter
Result
... Foot = ... Light Year
Find the units to convert
Foot to Light Year Converter
Use this page to convert foot values into light year, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 ft = 3.22173854210703e-17 ly
1 ly = 31,039,141,970,409,400 ft
Example: 15 ft = 4.83260781316054e-16 ly
Foot
A foot equals 12 inches or exactly 0.3048 meters.
History: The foot has roots in older anthropomorphic systems and is now standardized from the inch.
Current use: Feet are common in architecture, aviation altitude, and real estate.
Also written as ft, feet, '.
Light Year
A light year is the distance light travels in vacuum in one Julian year.
History: The light year became a readable way to express distances between stars and galaxies.
Current use: Light years are used in astronomy, science education, and popular explanations of cosmic distance.
Also written as ly, lightyear, lightyears, light years.
Foot to Light Year table
| Foot [ft] | Light Year [ly] |
|---|
| 0.01 ft | 3.22173854210703e-19 ly |
| 0.1 ft | 3.22173854210703e-18 ly |
| 1 ft | 3.22173854210703e-17 ly |
| 2 ft | 6.44347708421406e-17 ly |
| 5 ft | 1.61086927105351e-16 ly |
| 10 ft | 3.22173854210703e-16 ly |
| 20 ft | 6.44347708421406e-16 ly |
| 50 ft | 1.61086927105351e-15 ly |
| 100 ft | 3.22173854210703e-15 ly |
Frequently asked questions
How many Light Year (ly) are in one Foot (ft)?
One Foot equals 3.22173854210703e-17 Light Year.
How do you convert Foot to Light Year?
Multiply the Foot value by 3.22173854210703e-17 to get the result in Light Year.
How do you convert Light Year back to Foot?
Multiply the Light Year value by 31,039,141,970,409,400 to get back to Foot.
What is 15 Foot in Light Year?
15 Foot equals 4.83260781316054e-16 Light Year.
