Convert Imperial Gallons to Cubic InchesHow many cubic inches are in an imperial gallon? Easy imp gal to cu in conversion.
1 Imperial Gallon ≈
277.41943 Cubic Inches
Imperial GallonsAn Imperial gallon is a unit of volume sometimes used in the British commonwealth. It is exactly 4.54609 liters and is about 20% larger than a U.S. gallon.
Abbreviation: imp gal
Cubic InchesA cubic inch is a unit of volume. It is the size of a cube that is 1 inch on a side. It is approximately 1.1 tablespoons, or about 16.4 cubic centimeters.
Common abbreviations: cu in, in³, in^3