About the Units
Imperial gallon (gal (UK))
The British imperial gallon, larger than the US gallon.
Learn more about Imperial gallons
cubic kilometer (km³)
A large volume unit equal to 10^9 cubic meters, used in geological and geographical measurements.
Common Conversions
- 1 gal (UK) = 4.54609e-12 km³
- 219969240000.0 gal (UK) = 1 km³