Cubic mile

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For other uses, see MI-3 (disambiguation).

A cubic mile (abbreviation: mi3[1]) is an imperial / U.S. customary (non-SI non-metric) unit of volume, used in the United States, Canada, and the United Kingdom. It is defined as the volume of a cube with sides of 1 mile (5280 feet, 1760 yards, ≈1.609 kilometre) in length.


There is no universally agreed symbol but the following are used:

  • cubic mile
  • cu mile
  • cu mi
  • mile/-3
  • mi/-3
  • mile^3
  • mi^3
  • mile³
  • mi³


1 cubic mile is equivalent to:

See also[edit]