Convert US gallons to cubic inches
Select how many decimal places the result will be rounded to:
How to convert US gallons to cubic inches
To convert US gallons to cubic inches, multiply a US gallons value by 231.
Formula in³ = US gal × 231
Example: Convert 2 US gallons to cubic inches Calculations: 2 US gal × 231 = 462 in³
US gallon (US gal)
The US gallon is a US customary systems unit of volume, defined as 231 cubic inches or 128 US fluid ounces, and is equal to 3.785411784 liters. It is the standard unit for measuring volume in the United States.
Cubic inch (in³)
The cubic inch is an imperial and US customary systems unit of volume, defined as the volume of a cube with edges one inch in length. It is equal to 0.016387064 liters, or approximately 0.00433 US gallons.
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