Gallons to Cubic Inches Conversion
Enter the volume in gallons below to get the value converted to cubic inches.
How to Convert Gallons to Cubic Inches
To convert a gallon measurement to a cubic inch measurement, multiply the volume by the conversion ratio.
Since one gallon is equal to 231 cubic inches, you can use this simple formula to convert:
The volume in cubic inches is equal to the gallons multiplied by 231.
How Many Cubic Inches are in a Gallon?
There are 231 cubic inches in a gallon, which is why we use this value in the formula above.
1 gal = 231 in³
Gallons and cubic inches are both units used to measure volume. Keep reading to learn more about each unit of measure.
Gallons
The US liquid gallon is a unit of fluid volume equal to four quarts, eight pints, or sixteen cups.[1] The US liquid gallon should not be confused with the US dry gallon or the imperial gallon, which are different units of measure.
The gallon is a US customary unit of volume. Gallons can be abbreviated as gal; for example, 1 gallon can be written as 1 gal.
Cubic Inches
A cubic inch is a unit of volume equal to the space consumed by a cube with sides that are one inch in all directions. One cubic inch is equivalent to about 16.387 cubic centimeters or 0.554 fluid ounces.[2]
The cubic inch is a US customary and imperial unit of volume. A cubic inch is sometimes also referred to as a cubic in. Cubic inches can be abbreviated as in³, and are also sometimes abbreviated as cu inch, cu in, or CI. For example, 1 cubic inch can be written as 1 in³, 1 cu inch, 1 cu in, or 1 CI.
Gallon to Cubic Inch Conversion Table
| 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 |
References
- National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf
- National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf
