Cubic Inches to Gallons Conversion

Enter Cubic Inch
Enter US Fluid Gallon

How to convert gallons to cubic inches?

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

For example, to find out how many cubic inches in a half gallon, multiply 0.5 by 231, that makes 115.5 cubic inches in a half gallon.

US gallons to cubic inches formula

in³ = gallon * 231

1 US Fluid Gallon = 231 Cubic Inches

How to convert cubic inches to gallons?

1 Cubic inch is equal to 0.00432900433 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 = in³ * 0.00432900433

gallon = in³ / 231

1 Cubic Inch = 0.00432900433 US Fluid Gallon

What is a Gallon?

Gallon is an imperial and United States Customary measurement systems volume unit. 1 gal = 231 in3. The symbol is "gal".

  • 1 US fluid gallon = 231 Cubic inches
  • 1 US dry gallon = 268.802501 Cubic inches
  • 1 Imperial gallon = 277.419432 Cubic inches

What is a Cubic Inch?

Cubic inch is an imperial and United States Customary volume unit and defined as a cube with sides are one inch in length. 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

You may also use 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.