Cubic mile

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

A cubic mile (abbreviation: cu mi or mi^3[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 (1.6 km) length, giving a volume of 1 cubic mile (4.2 km³).

cubic mile
Unit system	Imperial and US customary
Unit of	Volume
Symbol	mi3, cu mi
Conversions
1 mi3 in ...	... is equal to ...
Imperial/US	1.4720×1011 ft3 5.4518×109 yd3
SI units	4.1682×109 m3 4.1682 km3

Conversions

1 cubic mile	=	512	cubic furlongs
	=	5451776000	cubic yards
	=	147197952000	cubic feet
	=	3379200	acre-feet
	=	4.168181825440579584	cubic kilometres
	≈	916871822916	imperial gallons
	≈	1101117140000	US liquid gallons
	≈	114608977865	imperial bushels
	≈	118282962000	US bushels
	≈	26217074762	crude barrels

See also

• Square mile
• Orders of magnitude for a comparison with other volumes
• Conversion of units § Volume
• Cube (arithmetic)
  • Cube root
  • Cubic equation
  • Cubic function