How to use US Gallons to Cubic Inches
Type a value in US gallons and the cubic inches figure appears straight away. The conversion table further down lists common values.
The formula
in³ = US gal × 231
Examples
- 1 us gallons to cubic inches
231 in³
- 10 us gallons to cubic inches
2,310 in³
- 250 us gallons to cubic inches
57,750 in³
Us Gallons to Cubic Inches conversion table
| Us Gallons | Cubic Inches |
|---|---|
| 1 | 231 in³ |
| 2 | 462 in³ |
| 3 | 693 in³ |
| 4 | 924 in³ |
| 5 | 1,155 in³ |
| 6 | 1,386 in³ |
| 7 | 1,617 in³ |
| 8 | 1,848 in³ |
| 9 | 2,079 in³ |
| 10 | 2,310 in³ |
| 15 | 3,465 in³ |
| 20 | 4,620 in³ |
| 25 | 5,775 in³ |
| 30 | 6,930 in³ |
| 40 | 9,240 in³ |
| 50 | 11,550 in³ |
| 75 | 17,325 in³ |
| 100 | 23,100 in³ |
| 250 | 57,750 in³ |
| 500 | 115,500 in³ |
| 1,000 | 231,000 in³ |
Limitations and assumptions
Review inputs, units and assumptions before relying on the result. Detailed content, accessibility and edge-case review remains ongoing.
Frequently asked questions
How many cubic inches are in one us gallons?
One us gallons equals 231 in³. The formula is in³ = US gal × 231.
How do I convert us gallons to cubic inches?
Use in³ = US gal × 231. For example, 10 us gallons gives 2,310 in³. Enter your own value above and the converter does the arithmetic for you.
How do I convert cubic inches back to us gallons?
Invert the relationship: reverse the formula so you divide where this one multiplies (and subtract where it adds).
Is this conversion exact?
Volume units differ by country: a US gallon is about 3.785 L while an imperial (UK) gallon is about 4.546 L, so check which system your recipe, label or fuel receipt uses.