Cubic Inches (in3) to Gallons Conversion

Round:
Enter Cubic Inch
Enter US Fluid Gallon

How many cubic inches in a gallon?

There are 231 cubic inches (in3) in 1 gallon. To convert gallons to cubic inches, multiply the gallon value by 231.

For example, to find out how many cubic inches in a gallon and a half, multiply 1.5 by 231, that makes 346.5 cubic inches in a gallon and a half.

1 US Fluid Gallon = 231 Cubic Inches

How many gallons in a cubic inch?

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

1 Cubic Inch = 0.00432900433 US Fluid Gallon

What is Gallon?

Gallon is an imperial and United States Customary measurement systems volume unit. 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 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
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.