About the Units
foot (U.S. survey) (ft (U.S. survey))
A slightly different foot unit used in land surveying.
yoctometer (ym)
The smallest theoretically conceived length unit.
Common Conversions
- 1 ft (U.S. survey) = 3.048006e23 ym
- 3.2808335e-24 ft (U.S. survey) = 1 ym