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