What is cubic metre?

A cubic metre is the SI unit of volume, equal to a cube with one-metre sides. It is used in construction, water supply, industrial gas storage, and large-scale fluid measurement.

What is Imperial gallon?

An Imperial gallon is a volume unit used in the United Kingdom equal to approximately 4.546 litres. It is larger than the US gallon and is commonly referenced for fuel efficiency (miles per gallon) in the UK.

Worked examples

1 cubic metre = 219.9692483 Imperial gallon

1 Imperial gallon = 4.54609 litre