About the Units
astronomical unit (ua)
The average distance between the Earth and the Sun, used in astronomical measurements.
Learn more about astronomical units
mile (U.S. survey) (mi (U.S. survey))
A slightly different mile unit used in land surveying.
Common Conversions
- 1 ua = 92955650.0 mi (U.S. survey)
- 1.0757819e-8 ua = 1 mi (U.S. survey)