Cubic Inches to Gallons Conversion

Enter Cubic Inch
Enter US Fluid Gallon

The converter and the tables are based on the US fluid gallons and cubic inches.

How to convert gallons to cubic inches?

1 US Gallon is equal to 231 cubic inches. To convert gallons to cubic inches, multiply the gallon value by 231.

For example, to find how many cubic inches is 2 gallons of water, multiply 2 by 231, that makes 462 cubic inches is 2 gallons.

US gallons to cubic inches formula

cubic inch = gallon * 231

1 US Fluid Gallon = 231 Cubic Inches

How to convert cubic inches to gallons?

1 Cubic inch is equal to 0.00432900433 US gallon. To convert cubic inches to gallons, multiply the cubic inch value by 0.00432900433 or divide by 231.

cubic inches to US gallons formula

gallon = cubic inch * 0.00432900433

gallon = cubic inch / 231

How to calculate a volume in cubic inches and convert to gallons?

To calculate a volume in cubic inches, multiply the length by the width and by the height in inches.

Cubic Inch = Length(in) × Width(in) × Height(in)

For example, to calculate the volume of a 3in x 4in x 5in container in inches, multiply 3 by 4 by 5, that makes 60 cubic inches. To convert the same volume into gallons, divide the result by 231.

What is a Gallon?

Gallon is an imperial and United States Customary measurement systems volume unit. 1 US fluid gallon = 231 cubic inches. 1 Imperial gallon = 277.419432 cubic inches. 1 US dry gallon = 268.802501 cubic inches. The symbol is "gal".

What is a Cubic Inch?

Cubic inch is an imperial and United States Customary volume unit. The symbol is "in³".

  • 1 Cubic inch = 0.00432900433 US fluid gallon
  • 1 Cubic inch = 0.00372020347 US dry gallon
  • 1 Cubic inch = 0.00360465014 Imperial gallon

Please visit all volume units conversion to convert all volume units.

Create Conversion Table
Click "Create Table". Enter a "Start" value (5, 100 etc). Select an "Increment" value (0.01, 5 etc) and select "Accuracy" to round the result.