Convert Gallons to Cubic Inches

Enter your gallon value in the form below to get the value calculated in cubic inches.

Results in Cubic Inches:

1 gal = 231 in³

How to Convert Gallons to Cubic Inches

Calculators can be used to convert measurements from one unit to another

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Convert gallons to cubic inches with this simple formula:

cubic inches = gallons × 231

Converting a gallon volume measurement to a cubic inch measurement involves multiplying the volume by the conversion ratio to find the result. One gallon is equal to 231 cubic inches, so to convert simply multiply by 231.

For example, here's how to convert 5 gallons to cubic inches using the formula above.

5 gal = (5 × 231) = 1,155 in³

Gallons and cubic inches are both units used to measure volume. Learn more about volume and find more volume measurement conversion calculators. Gallons are an imperial measurement and can be abbreviated as gal, for example 1 gal. Cubic inches are an imperial measurement and can be abbreviated as in³, for example 1 in³.

gallons and cubic inches are units used to measure volume

Convert Cubic Inches to Gallons

Gallon Measurements and Equivalent Cubic Inch Conversions

Common gallon values converted to the equivalent cubic inch value
Gallons	Cubic Inches
1 gal	231 in³
2 gal	462 in³
3 gal	693 in³
4 gal	924 in³
5 gal	1,155 in³
6 gal	1,386 in³
7 gal	1,617 in³
8 gal	1,848 in³
9 gal	2,079 in³
10 gal	2,310 in³
11 gal	2,541 in³
12 gal	2,772 in³
13 gal	3,003 in³
14 gal	3,234 in³
15 gal	3,465 in³
16 gal	3,696 in³
17 gal	3,927 in³
18 gal	4,158 in³
19 gal	4,389 in³
20 gal	4,620 in³
21 gal	4,851 in³
22 gal	5,082 in³
23 gal	5,313 in³
24 gal	5,544 in³
25 gal	5,775 in³
26 gal	6,006 in³
27 gal	6,237 in³
28 gal	6,468 in³
29 gal	6,699 in³
30 gal	6,930 in³
31 gal	7,161 in³
32 gal	7,392 in³
33 gal	7,623 in³
34 gal	7,854 in³
35 gal	8,085 in³
36 gal	8,316 in³
37 gal	8,547 in³
38 gal	8,778 in³
39 gal	9,009 in³
40 gal	9,240 in³