About the Units
foot (U.S. survey) (ft (U.S. survey))
A slightly different foot unit used in land surveying.
bohr radius (a₀)
A unit of length used to describe the size of atoms, based on quantum mechanics.
Common Conversions
- 1 ft (U.S. survey) = 5759896600.0 a₀
- 1.7361423e-10 ft (U.S. survey) = 1 a₀