About the Units
foot (ft)
A common imperial length unit used in the United States and some other countries.
foot (U.S. survey) (ft (U.S. survey))
A slightly different foot unit used in land surveying.
Common Conversions
- 1 ft = 0.99999803 ft (U.S. survey)
- 1.0000019 ft = 1 ft (U.S. survey)