| cubic mile | |
|---|---|
| Unit system | Imperial and US customary |
| Unit of | Volume |
| Symbol | mi3, cu mi |
| Conversions | |
| 1 mi3 in ... | ... is equal to ... |
| Imperial/US |
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| SI units |
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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.