The imperial (UK) gallon, now defined as exactly litres (about 277.42 cubic inches), is used in some Commonwealth countries and was originally based on the volume of 10 pounds (approximately 4.54 kg) of water at.
The imperial (UK) gallon, now defined as exactly litres (about 277.42 cubic inches), was used in some Commonwealth countries, but has now become obsolete. It was originally based on the volume of 10 pounds (4.5359237 kg) of water at.