Cubic metre

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One cubic metre of concrete (representing the world annual production per inhabitant)

The cubic metre (symbol ) 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 spelt "cubic meter". An alternate name, which allowed a different usage with SI prefixes, was the stère.


[edit] Conversions

Main article: Unit conversion

1 cubic metre is equivalent to:

  • 1,000 litres (exactly); 1 litre = 0.001 m³ (exactly)
  • ~35.3 cubic feet (approximately); 1 cubic foot = 0.028 316 846 592 m³(exactly)
  • ~1.31 cubic yards (approximately); 1 cubic yard = 0.764 554 857 984 m³ (exactly)
  • ~6.29 oil barrels (approximately); 1 barrel = 0.158 987 294 928 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 kg.

It is sometimes abbreviated 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.

[edit] Multiples and submultiples

Main article: SI prefix

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

[edit] Multiples

  • A cubic dekametre (dam³) is 1 000 cubic metres, and is equal to the volume of a cube of side length 1 dekametre (10 metres).
  • A cubic hectometre (hm³) is the volume equal to that of a cube of side length 1 hectometre (100 metres). 1 hm³ is 1 000 X 10 6 liters (see Giga liter). 1 000 cubic dekametres is 1 cubic hectometre (hm³) and 1 000 cubic hectometres is 1 cubic kilometre (km³).
  • A cubic kilometre (km³) is the volume equal to that of a cube of side length 1 kilometre.

[edit] Submultiples

  • A cubic decimetre (dm³) is the volume of a cube of side length 1 decimetre (0.1 metre). 1 cubic decimetre is now equal to 1 litre.
    • From 1901 to 1964 the litre was defined as the volume of 1 kilogram of pure water at 4 degrees Celsius and 760 millimetres of mercury pressure. During this time, a litre was about 1.000028 dm3. In 1964 the original definition was reverted to.
  • A cubic centimetre (cm³) is equal to the volume of a cube with side length of 1 centimetre. It was the base unit of volume of the CGS system of units, and is a legitimate SI unit. It is equal to a millilitre (ml).
    • The colloquial abbreviations cc and ccm are not SI but are common in some contexts. It is a verbal shorthand for "cubic centimetre". For example 'cc' is commonly used for denoting displacement of car and motorbike engines "the Mini Cooper had a 1275 cc engine". In medicine 'cc' is also common, for example "100 cc of blood loss".
  • A cubic millimetre (mm³) is the volume equal to that of a cube with edges of 1 millimetre.
Orders of magnitude (volume)

SI unit: cubic metre
Conversion of units#Volume

1 E-24 m³ 1 E-18 m³ 1 E-12 m³ 1 ml 1 m³ 1 E6 m³ 1 E12 m³ 1 E18 m³ 1 E24 m³ 1 E30 m³
1 E-23 m³ 1 E-17 m³ 1 E-11 m³ 10 ml 10 m³ 1 E7 m³ 1 E13 m³ 1 E19 m³ 1 E25 m³
1 E-22 m³ 1 E-16 m³ 1 E-10 m³ 100 ml 100 m³ 1 E8 m³ 1 E14 m³ 1 E20 m³ 1 E26 m³ 1 E40 m³
1 E-21 m³ 1 E-15 m³ 1 E-9 m³ 1 l 1000 m³ 1 E9 m³ 1 E15 m³ 1 E21 m³ 1 E27 m³
1 E-20 m³ 1 E-14 m³ 1 E-8 m³ 10 l 10000 m³ 1 E10 m³ 1 E16 m³ 1 E22 m³ 1 E28 m³
1 E-19 m³ 1 E-13 m³ 1 E-7 m³ 100 l 100,000 m³ 1 E11 m³ 1 E17 m³ 1 E23 m³ 1 E29 m³ 1 E50 m³
br:Metr kub

ca:Metre cúbic cs:Metr krychlový de:Kubikmeter es:Metro cúbico eo:Kubmetro eu:Metro kubiko fr:Mètre cube gl:Quilómetro cúbico ko:세제곱미터 hr:Prostorni metar it:Metro cubo he:מטר מעוקב hu:Köbméter nl:Kubieke meter ja:立方メートル no:Kubikkmeter pl:Metr sześcienny pt:Metro cúbico ru:Кубический метр sl:Kubični meter sh:Metar kubni fi:Kuutiometri sv:Kubikmeter th:ลูกบาศก์เมตร vi:Mét khối zh:立方米

Cubic metre

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