About the Units
millimeter (mm)
A tiny length unit equal to 0.001 meters, used in precision engineering.
mile (U.S. survey) (mi (U.S. survey))
A slightly different mile unit used in land surveying.
Common Conversions
- 1 mm = 6.2137e-7 mi (U.S. survey)
- 1609347.0 mm = 1 mi (U.S. survey)