How to convert cubic feet to imperial gallons
To convert a measurement in cubic feet to imperial gallons, multiply the value by 6.228835. The conversion factor comes from the relationship between both units and the liter.
For example, to convert 5 ft³ to imperial gallons: 5 × 6.228835 = 31.144177 imp gal.
What is a cubic foot?
A cubic foot is an imperial and US customary unit of volume equal to the space of a cube one foot on each side, about 28.32 liters. The cubic foot is the standard large-volume unit in the US and UK for appliances, storage, and natural gas. Refrigerators and freezers are still sold by their cubic-foot capacity in North America.
Common uses of cubic feet include: Refrigerator, freezer, and appliance capacity; Natural gas metering in the US; Storage unit and moving container volume; Airflow ratings (cubic feet per minute).
What is a imperial gallon?
An imperial gallon is a British unit of volume equal to exactly 4.54609 liters, about 20% larger than the US gallon. The imperial gallon was defined in 1824 as the volume of ten pounds of water. It is still used in the UK and several Commonwealth countries, which is why UK 'miles per gallon' figures look higher than US ones.
Common uses of imperial gallons include: Fuel and fuel-economy figures in the UK and Canada; Historical and Commonwealth liquid measures; Comparing UK vs US gallon quantities; Agricultural and industrial liquid volumes.
Cubic Feet to imperial gallons worked examples
Here are some common values converted:
1 ft³ = 6.228835 imp gal 5 ft³ = 31.144177 imp gal 10 ft³ = 62.288355 imp gal 50 ft³ = 311.441773 imp gal 100 ft³ = 622.883546 imp gal
Frequently asked questions
How many imperial gallons are in one cubic foot?
One cubic foot (ft³) equals 6.228835 imperial gallons (imp gal). Multiply any value in cubic feet by 6.228835 to convert to imperial gallons.
How do I convert cubic feet to imperial gallons?
Multiply the value in cubic feet by 6.228835. For example, 5 ft³ × 6.228835 = 31.144177 imp gal.
How do I convert imperial gallons to cubic feet?
Multiply the value in imperial gallons by 0.160543653236, or divide by 6.228835. Use the swap button on the converter above to reverse the direction.
Is the cubic foot to imperial gallon conversion exact?
Conversions between metric volumes are exact by definition. US and imperial volumes are defined exactly relative to the liter, so these factors are exact.
What is the formula for cubic feet to imperial gallons?
The formula is: imp gal = ft³ × 6.228835. This comes from the definition of both units relative to the liter.