The unit of volume, expressed under standard conditions of temperature and pressure, pproximately equal to 35.37 cubic feet. One million cubic metres (mcm) is equal to 106 cubic metres, one billion cubic metres (bcm) equals 109 cubic metres.
The cubic metre (symbol m³) is the SI derived unit of volume. It is the volume of a cube with edges one metre in length. In the United States it is spelled "cubic meter."