About the Units
parsec (pc)
An astronomical unit of length used for measuring vast cosmic distances.
mile (U.S. survey) (mi (U.S. survey))
A slightly different mile unit used in land surveying.
Common Conversions
- 1 pc = 19173478000000.0 mi (U.S. survey)
- 5.215538e-14 pc = 1 mi (U.S. survey)