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Convert cubic inch to US gallon

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

- scroll: formula · table · questions -

  • 1 in³ = 0.004329 gal
  • 1 gal = 231 in³

Cubic inch to US gallon conversion table

cubic inch US gallon
1 0.004329
2 0.008658
5 0.021645
10 0.04329
20 0.08658
50 0.21645
100 0.4329

Cubic inch to US gallon formula

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

1 in³ = 0.004329 gal
Example: 1 cubic inch = 0.004329 US gallon

Common volume conversion mistakes

  • '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.

Quick cubic inch and US gallon conversion quiz

Score: 0

53 cubic inch equals 0.229 US gallon.

Correct answer: 53 cubic inch = 0.229 US gallon.

13.3 US gallon equals 3.07e+3 cubic inch.

Correct answer: 13.3 US gallon = 3.07e+3 cubic inch.

38 US gallon equals 1.32e+4 cubic inch.

Correct answer: 38 US gallon = 8.78e+3 cubic inch.

138 US gallon equals 3.19e+4 cubic inch.

Correct answer: 138 US gallon = 3.19e+4 cubic inch.

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