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A cubic metre is the standard unit used worldwide to measure volume—the amount of space that something takes up—equal to a cube with sides of one metre each. It matters because it's the official measurement system used in science, trade, and engineering, making it easy for people across different countries to understand and compare volumes consistently.
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Article
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). Its symbol is m. 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. The acronym CBM is in common use to describe a cubic metre.
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