About the Units
zettameter (Zm)
A massive length unit equal to 10^21 meters.
mile (U.S. survey) (mi (U.S. survey))
A slightly different mile unit used in land surveying.
Common Conversions
- 1 Zm = 621370000000000000.0 mi (U.S. survey)
- 1.609347e-18 Zm = 1 mi (U.S. survey)