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Foot to Light-year
Convert Foot to Light-year and get the exact value instantly.
1 ft = 3.221739e-17 ly
About this conversion
To convert Foot to Light-year, multiply the number of Foot by 3.221739e-17.
Length units straddle the metric and imperial systems, so everyday jobs (measuring a room, reading a map, or following a recipe from another country) often need a quick conversion between meters, feet, miles and inches.
Conversion table
| Foot (ft) | Light-year (ly) |
|---|---|
| 1 ft | 3.221739e-17 ly |
| 2 ft | 6.443477e-17 ly |
| 5 ft | 1.610869e-16 ly |
| 10 ft | 3.221739e-16 ly |
| 100 ft | 3.221739e-15 ly |
How to use this converter
- Enter your Foot value
Type any number into the Foot field. It starts at 1 so you can read the rate straight away.
- Read the Light-year result
The amount in Light-year updates as you type, so there is no button to press and nothing to wait for.
- Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.
Frequently asked
- How many Light-year are in one Foot?
- One Foot equals 3.221739e-17 ly. Enter any amount above to get an exact figure for your own value.
- Is this converter accurate?
- Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
- Do you upload the numbers I enter?
- No. The Foot to Light-year conversion runs entirely in your browser tab, and nothing you type is sent to a server.
- Does it work on my phone?
- Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.
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