Cubic Meters
A cubic meter is a metric unit of volume which is the equivelent space occupied by a cube with 1 meter on each of its sides.
Denoted by symbol "m³", it is a unit of measurement in the International System of Units (SI) and is generally used for larger volume measurements.
UK gills
UK gills are volume measurements for liquids in the United Kingdom. One UK gill is equivalent to a quarter of a UK pint (about 142 milliliters).