Convert foot to light year
Please provide values below to convert foot [ft] to light year [ly], or Convert light year to foot.
1 ft = 3.2217e-17 ly. To convert foot to light year, multiply the value by 3.2217e-17; to go the other way, divide by it (1 ly = 3.1039e+16 ft). Both units measure length and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 ft = 3.2217e-17 ly
- 1 ly = 3.1039e+16 ft
- 10 ft = 3.2217e-16 ly
- 100 ft = 3.2217e-15 ly
How to Convert Foot to Light Year
1 ft = 3.2217385421073e-17 ly
Example: convert 15 ft to ly:
15 ft = 15 × 3.2217385421073e-17 ly = 4.83260781316095e-16 ly
Foot to Light Year Conversion Table
| foot | light year |
|---|---|
| 1 ft | 3.2217e-17 ly |
| 2 ft | 6.4435e-17 ly |
| 3 ft | 9.6652e-17 ly |
| 5 ft | 1.6109e-16 ly |
| 10 ft | 3.2217e-16 ly |
| 20 ft | 6.4435e-16 ly |
| 50 ft | 1.6109e-15 ly |
| 100 ft | 3.2217e-15 ly |
| 500 ft | 1.6109e-14 ly |
| 1000 ft | 3.2217e-14 ly |
Foot
A foot is a unit of length in the imperial and US customary systems of measurement. A foot was defined as exactly 0.3048 meters in 1959. One foot contains 12 inches, and one yard is comprised of three feet.
History/Origin
The foot has been used as a unit of measurement in many different cultures, including Ancient Greece and Rome, and the length has varied from country to country and even from city to city. The name is said to be based on the average length of a man's foot.
Current Use
The foot is a primary unit of length in the United States, the United Kingdom, and Canada for many everyday applications. In the US, feet and inches are commonly used to measure height, shorter distances, field length (sometimes in the form of yards), etc.
Light Year
A light-year is the distance that light travels in a vacuum in one Julian year.
History/Origin
The concept of the light-year as a unit of distance in astronomy emerged in the mid-19th century. The first recorded use of the term was in a German astronomical publication in 1851.
Current Use
The light-year is used to express distances to stars and other astronomical objects on a galactic and intergalactic scale, especially in popular science and non-specialist contexts.
Frequently Asked Questions
What is 1 foot in light year?
1 foot (ft) = 3.2217e-17 light year (ly).
How do you convert foot to light year?
Multiply the foot value by 3.2217e-17. For example, 25 ft × 3.2217e-17 = 8.0543e-16 ly.
What is 10 foot in light year?
10 ft = 3.2217e-16 ly.
Which unit is larger, the foot or the light year?
The light year is the larger unit: 1 ft equals only 3.2217e-17 ly.