Convert Fathom to Light Year
Input the number of fathoms you want to convert to light years.
How to Convert Fathoms to Light Years
The fathom and light year are both units of length. By definition, 1 light year equals exactly 5.1733377078e15 fathoms. This means to convert fathoms to light years, you divide by 5.1733377078e15.
Formula
Step-by-Step Example
Convert 5 fathom to light years:
We need to convert fathoms to light years
Since 1 ly = 5.1733377078e15 fathom, divide by 5.1733377078e15
5 ÷ 5.1733377078e15 = 9.6649402812e-16
5 fathom = 9.6649402812e-16 ly
Fathom to Light Year Conversion Table
Quick reference table for common fathom to light year conversions. Click any value for detailed calculation.
| Fathoms (fathom) | Light Years (ly) |
|---|---|
| 0.1 fathom | 1.9329880562e-17 ly |
| 0.5 fathom | 9.6649402812e-17 ly |
| 1 fathom | 1.9329880562e-16 ly |
| 2 fathom | 3.8659761125e-16 ly |
| 5 fathom | 9.6649402812e-16 ly |
| 10 fathom | 1.9329880562e-15 ly |
| 25 fathom | 4.8324701406e-15 ly |
| 50 fathom | 9.6649402812e-15 ly |
| 100 fathom | 1.9329880562e-14 ly |
About These Units
Fathom (fathom)
A fathom is a nautical unit equal to 6 feet or 1.8288 meters. Fathoms traditionally measure water depth and anchor chain length. The term comes from Old English "fæðm" meaning outstretched arms. Depth soundings were historically reported in fathoms.
Light Year (ly)
A light year (ly) is the distance light travels in one year: approximately 9.461 trillion kilometers or 5.879 trillion miles. Light years measure interstellar distances. The nearest star Proxima Centauri is 4.24 light years away. Light travels 299,792 km/second.
Frequently Asked Questions
How do I convert fathoms to light years?
To convert fathoms to light years, divide the value by 5.1733377078e15. For example, 10 fathom = 1.9329880562e-15 ly.
How many light years are in 1 fathom?
1 fathom equals 1.9329880562e-16 light years.
What is the formula for fathoms to light years?
The formula is: ly = fathom ÷ 5.1733377078e15.