About the Units
zettameter (Zm)
A massive length unit equal to 10^21 meters.
kilometer (km)
A standard length unit equal to 1000 meters, commonly used for distances.
Common Conversions
- 1 Zm = 1000000050000000000.0 km
- 9.999999e-19 Zm = 1 km
Convert from zettameters to kilometers
Conversion Information
To convert from zettameters to kilometers, multiply by 1000000050000000000.0
1 Zm = 1000000050000000000.0 km