About the Units
foot (U.S. survey) (ft (U.S. survey))
A slightly different foot unit used in land surveying.
fathom (fathom)
A maritime length unit used for measuring water depth.
Common Conversions
- 1 ft (U.S. survey) = 0.16666663 fathom
- 6.0000014 ft (U.S. survey) = 1 fathom