Cubic Metre - Wikipedia

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• 1 Conversions
• 2 Multiples and submultiples Toggle Multiples and submultiples subsection
  • 2.1 Multiples
  • 2.2 Submultiples
• 3 See also
• 4 References

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Appearance move to sidebar hide From Wikipedia, the free encyclopedia SI derived unit of volume

Cubic metre
One cubic metre of concrete (representing the world annual production per capita) (on the left).
General information
Unit system	SI
Unit of	volume
Symbol	m3

Look up cubic metre in Wiktionary, the free dictionary.

The cubic metre (in Commonwealth English and international spelling as used by the International Bureau of Weights and Measures) or cubic meter (in American English) is the unit of volume in the International System of Units (SI).[1] Its symbol is m3.[1] 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, still sometimes used for dry measure (for instance, in reference to wood). Another alternative name, no longer widely used, was the kilolitre.

Conversions

[edit]

Main article: Unit conversion

1 cubic metre	= 1000 litres (exactly)[2][3]
	≈ 35.3146667 cubic feet
	≈ 1.3079506 cubic yards
	≈ 6.2898108 oil barrels
	≈ 219.96925 imperial gallons
	≈ 264.17205 US fluid gallons

A cubic metre of pure water at the temperature of maximum density (3.983 °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, 999.85 kilograms.[4]

A cubic metre is sometimes abbreviated to m^3, M3, m**3, cu m, m3, CBM, cbm when superscript characters or markup cannot be used (e.g. in some typewritten documents and postings in Usenet newsgroups). The "cubic metre" symbol is encoded by Unicode at code point U+33A5 ㎥ SQUARE M CUBED.[5]

Multiples and submultiples

[edit] Main articles: Metric prefix and Orders of magnitude (volume)

Multiples

[edit] Cubic decametre the volume of a cube of side length one decametre (10 m) equal to a megalitre 1 dam3 = 1000 m3 = 1 ML Cubic hectometre the volume of a cube of side length one hectometre (100 m) equal to a gigalitre in civil engineering abbreviated MCM for million cubic metres 1 hm3 = 1000000 m3 = 1 GL Cubic kilometre the volume of a cube of side length one kilometre (1000 m) equal to a teralitre 1 km3 = 1000000000 m3 = 1 TL (810713.19 acre-feet; 0.239913 cubic miles)

Submultiples

[edit] Cubic decimetre the volume of a cube of side length one decimetre (0.1 m) equal to a litre 1 dm3 = 0.001 m3 = 1 L (also known as DCM (=Deci Cubic Meter) in Rubber compound processing) Cubic centimetre[6] the volume of a cube of side length one centimetre (0.01 m) equal to a millilitre 1 cm3 = 0.000001 m3 = 10−6 m3 = 1 mL Cubic millimetre the volume of a cube of side length one millimetre (0.001 m) equal to a microlitre 1 mm3 = 0.000000001 m3 = 10−9 m3 = 1 μL

See also

[edit]

• Orders of magnitude (volume)
• Reciprocal cubic metre
• Standard cubic foot

References

[edit]

1. ^ a b Bureau International de Poids et Mesures. "Derived units expressed in terms of base units Archived 2012-07-16 at the Wayback Machine". 2014. Accessed 7 August 2014.
2. ^ From 1901 to 1964 the litre was defined as the volume of one kilogram of pure water at 4°C and 760 millimetres of mercury pressure: during this time, a litre was about 1.000028 dm3. In 1964 the original definition was reverted to.
3. ^ "BIPM - Table 6". Archived from the original on 2009-10-01. Retrieved 2010-03-05.
4. ^ "Water Density, Specific Weight and Thermal Expansion Coefficients - Temperature and Pressure Dependence". The Engineering ToolBox. Retrieved 2025-06-13.
5. ^ Unicode Consortium (2019). "The Unicode Standard 12.0 – CJK Compatibility ❰ Range: 3300—33FF ❱" (PDF). Unicode.org. Retrieved May 24, 2019.
6. ^ The cubic centimetre is the base unit of volume of the CGS system of units. The colloquial abbreviations "cc" and "ccm" are not SI but are common in some contexts such as cooking, engine displacement and medicine.

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