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
register ton (RT)
A volume measurement used in marine transport to calculate a ship's internal volume.
Common Conversions
- 1 km³ = 353146620.0 RT
- 2.831685e-9 km³ = 1 RT