Definitions

Cubic_metre

Cubic metre

''CM3 redirects here. If you were looking for the 3rd game in the Cooking Mama series, abbreviated as CM3, see here.

The cubic metre (US spelling: cubic meter, symbol: ) is the SI derived unit of volume. It is the volume of a cube with edges one metre in length. An alternative name, which allowed a different usage with metric prefixes, was the stère. Another alternative name, not widely used any more, is the kilolitre.

Conversions

1 cubic metre is equivalent to:

  • 1,000 litres (exactly);
  • ~35.3 cubic feet (approximately)
    • 1 cu ft =  m³ (exactly)
  • ~1.31 cubic yards (approximately)
    • 1 cu yd =  m³ (exactly)
  • ~6.29 oil barrels (approximately)
    • 1 oil bbl =  m³ (exactly)

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, it is slightly less, 999.972 kilograms.

It is sometimes abbreviated to cu m, m3, m^3 or m**3 when superscript characters or markup are not available/accessible (i.e. in some typewritten documents and postings in Usenet newsgroups).

Abbreviated CBM in the freight business and MTQ (or numeric code 49) in international trade.

Multiples and submultiples

See 1 E-3 m³ for a comparison with other volumes.

Multiples

Cubic decameter
the volume of a cube of side length one decametre (10 m)
equal to a megalitre
1 dam³ = 1,000 m³ = 1 MLCubic hectometre
the volume of a cube of side length one hectometre (100 m)
equal to a gigalitre
1 hm³ = 1,000,000 m³ = 1 GL
Cubic kilometre
the volume of a cube of side length one kilometre (1,000 m)
equal to a teralitre
1 km³ = 1,000,000,000 m³ = 1 TL

Submultiples

Cubic decimeter
the volume of a cube of side length one decimetre (0.1 m)
equal to a litre
1 dm³ = 0.001 m³ = 1 LCubic centimetre
the volume of a cube of side length one centimetre (0.01 m)
equal to a millilitre
1 cm³ = 0.000001 m³ = 1 mLCubic millimetre
the volume of a cube of side length one millimetre (0.001 m)
equal to a microlitre
1 mm³ = 0.000000001 m³ = 1 µL

Notes

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