Cubic Inches to Gallons Conversion

1 US fluid gallon = 231 cubic inches. 1 US dry gallon = 268.8025 cubic inches. 1 Imperial gallon = 277.4194 cubic inches (in3).

Enter Cubic Inch
Enter US Fluid Gallon

1 Cubic Inch (in3) = 0.00432900433 Gallons [Fluid, US]
1 Cubic Inch (in3) = 0.00372020347 Gallons [Dry, US]
1 Cubic Inch (in3) = 0.00360465014 Gallons [UK]

Cubic inch is an imperial, US Customary unit and defined as a cube with sides are one inch in length. The abbreviation is "in3".

Gallon is an imperial and US Customary unit. There is one type of gallon in imperial system and 2 types (liquid and dry) in US Customary system. The abbreviation is "gal".

Create Custom Conversion Table
To create your own custom conversion table click "Create Table" botton. To change values, you may enter a "Start" value (1, 2.5, 5 etc), select a an "Increment" value (0.01, 5, 100 etc) and select an "Accuracy" value to round the result.