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 inch (in³)
A small volume unit used in mechanical and precision engineering.
Common Conversions
- 1 km³ = 61023755000000.0 in³
- 1.638706e-14 km³ = 1 in³