About the Units
cubic kilometer (km³)
A large volume unit equal to 10^9 cubic meters, used in geological and geographical measurements.
Learn more about cubic kilometers
cubic petameter (Pm³)
A large volume unit equal to 10^45 cubic meters.
Common Conversions
- 1 km³ = 0.0 Pm³
- 3.4028237e38 km³ = 1 Pm³