Convert US gallon to cubic inch

Here you can quickly calculate how many cubic inch fit in one US gallon.

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Conversion from US gallon to cubic inch example

Starting value Increment Accuracy

To convert US gallon to cubic inch, multiply by 231.

1 gal = 231 in³

Example: 1 US gallon = 231 cubic inch

'Gallon' names two different measures: the US gallon is about 3.785 liters and the imperial gallon about 4.546 liters, a full 20% larger. US fuel figures and UK recipes therefore use different gallons. Always check the country before converting.

Score: 0

142 US gallon equals 3.28e+4 cubic inch.

Correct answer: 142 US gallon = 3.28e+4 cubic inch.

106 cubic inch equals 0.918 US gallon.

Correct answer: 106 cubic inch = 0.459 US gallon.

17.5 US gallon equals 4.04e+3 cubic inch.

Correct answer: 17.5 US gallon = 4.04e+3 cubic inch.