Cubic mile to Imperial gallon
in³
imp gal
Conversion History
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Quick Reference Table (Cubic mile to Imperial gallon)
| Cubic mile (in³) | Imperial gallon (imp gal) |
|---|---|
| 0.001 | 916,871,822.91988557944564226471 |
| 0.01 | 9,168,718,229.19885579445642264709 |
| 0.1 | 91,687,182,291.98855794456422647094 |
| 1 | 916,871,822,919.88557944564226470935 |
| 10 | 9,168,718,229,198.85579445642264709355 |
| 1,000 | 916,871,822,919,885.57944564226470935471 |
About Cubic mile (in³)
A cubic mile (mi³) is the volume of a cube with 1-mile sides, equal to approximately 4.168 trillion liters or about 4.168 km³. It is used in geoscience, hydrology, and environmental science to describe volumes of large water bodies, atmospheric water vapor, volcanic eruptions, and glacial ice. The total volume of Earth's oceans is approximately 320 million cubic miles. The unit is primarily used in US scientific and journalistic contexts.
The Great Lakes together contain about 5,440 mi³ of fresh water. The Amazon River discharges roughly 1.5 mi³ per day.
About Imperial gallon (imp gal)
The imperial gallon is a unit of volume defined as exactly 4.54609 liters, used in the United Kingdom, Canada, and some Commonwealth nations. It is approximately 20% larger than the US liquid gallon. Fuel economy in the UK is expressed in miles per imperial gallon. The imperial gallon divides into 8 imperial pints, each of 568 mL. The UK officially metricated fuel sales to liters in the 1980s–1990s, but miles per imperial gallon remains the legal unit for new car fuel economy labels.
UK car fuel economy figures are expressed in miles per imperial gallon. One imperial gallon equals 8 standard UK pints of beer.
Cubic mile – Frequently Asked Questions
How many liters are in a cubic mile?
One cubic mile equals approximately 4.168 × 10¹² liters (about 4.17 trillion liters) or roughly 4.168 km³. It is used only for planetary or geological scale volumes.
How much water is in the oceans in cubic miles?
Earth's oceans contain approximately 321 million cubic miles (1.335 billion km³) of water. The Pacific Ocean alone accounts for about 170 million cubic miles.
How does a cubic mile compare to a cubic kilometer?
One cubic mile equals approximately 4.168 cubic kilometers (km³). Geoscientists generally use km³; cubic miles appear mainly in US-origin journalism and older literature.
Is the cubic mile used in science?
The cubic mile is used in US-origin geoscience and hydrology texts for Great Lakes volumes, glacier mass loss, and ocean capacity. International scientific literature generally uses km³ instead.
How many cubic miles of water are in the Great Lakes?
The five Great Lakes together contain approximately 5,440 cubic miles (22,671 km³) of fresh water — about 21% of the world's surface fresh water. Lake Superior alone holds about 2,900 mi³.
Imperial gallon – Frequently Asked Questions
How many liters are in an imperial gallon?
One imperial gallon is defined as exactly 4.54609 liters — approximately 20% more than the US liquid gallon (3.785 L).
Does the UK still use gallons?
The UK switched fuel sales to liters in the 1990s. However, miles per gallon (imperial) remains the legal unit for car fuel economy on new vehicle labels. Road speed is in mph and distances are in miles, so imperial gallons remain embedded in UK motoring.
How does UK MPG differ from US MPG?
UK MPG uses the imperial gallon (4.546 L); US MPG uses the US gallon (3.785 L). Multiply UK MPG by 0.832 to get US MPG. A car rated 40 UK MPG ≈ 33 US MPG.
How many pints are in an imperial gallon?
There are exactly 8 imperial pints in one imperial gallon. Each imperial pint is 568 mL, compared to 473 mL for a US pint.
Is the imperial gallon still used in Canada?
Canada officially metricated in the 1970s and fuel is sold in liters. However, some older Canadians and certain agricultural contexts still reference imperial gallons informally. Canadian and UK imperial gallons are identical (4.54609 L).