CALCULATOR
US Gallons to Cubic Inches Converter
Convert us gallons to cubic inches. Enter a value to update the result.
How the calculation works
Cubic Inches = US Gallons × 231.
Worked example
With us gallons 1 US gal, cubic inches is 231 in³.
Assumptions and limits
US liquid gallons and US fluid ounces are used; Imperial measures are different.