| cubic mile | |
| Standard: | Imperial and US customary |
| Quantity: | Volume |
| Symbol: | mi3 |
| Symbol2: | cu mi |
| Units1: | Imperial/US |
| Units2: | SI units |
A cubic mile (abbreviation: cu mi or mi3[1]) is an imperial and US 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 (63360 inches, 5280 feet, 1760 yards or ~1.609 kilometres) in length.
| 1 cubic mile | = | 512 | cubic furlongs | |
| = | cubic yards | |||
| = | cubic feet | |||
| = | acre-feet | |||
| = | cubic kilometres | |||
| ≈ | imperial gallons | |||
| ≈ | US liquid gallons | |||
| ≈ | imperial bushels | |||
| ≈ | US bushels | |||
| ≈ | crude barrels |