Cubic Meter (M3) Conversions
The cubic metre is the SI derived unit of volume. Its SI symbol is m3. It is a cube with a length, height, and width of one metre, with 1,000 litres of space. It is the volume of a cube with edges one metre in length.
A cubic metre of pure water at the temperature of maximum density (3.98 °C) and standard atmospheric pressure (101.325 kPa) has a mass of 1000 kg, or one tonne. At 0 °C, the freezing point of water, a cubic metre of water has slightly less mass, 999.972 kilograms. A cubic metre of water has 1,000 litres or one million cubic centimetres (cm3) and can equate to 13 domestic baths, 111 toilet flushes and 14 loads of domestic washing. It is also equivalent to 35.3 cubic feet or 1.3 cubic yards in the Imperial system.