Convert US gallon to cubic inch
1 gal = 231 in³
1 gal = 231 in³
1 gal in every volume unit
| milliliter | 3,790 mL |
| centiliter | 379 cL |
| liter | 3.79 L |
| cubic meter | 0.00379 m³ |
| cubic inch | 231 in³ |
| cubic foot | 0.134 ft³ |
| US fluid ounce | 128 fl oz |
| US pint | 8 pt |
| US quart | 4 qt |
| US gallon | 1 gal |
| imperial gallon | 0.833 imp gal |
| cubic yard | 0.00495 yd³ |
| acre-foot | 0.00000307 ac·ft |
How the conversion works
Multiply by 231 to go from US gallon to cubic inch, or divide by it to go back. Every conversion on this site routes through the SI value (m³) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? cubic inch to US gallon — 1 in³ = 0.004329004329 gal.
US gallon to cubic inch — common values
| 1 gal | 231 in³ |
| 2 gal | 462 in³ |
| 3 gal | 693 in³ |
| 5 gal | 1,155 in³ |
| 10 gal | 2,310 in³ |
| 15 gal | 3,465 in³ |
| 20 gal | 4,620 in³ |
| 25 gal | 5,775 in³ |
| 50 gal | 11,550 in³ |
| 75 gal | 17,325 in³ |
| 100 gal | 23,100 in³ |
| 250 gal | 57,750 in³ |
| 500 gal | 115,500 in³ |
| 1000 gal | 231,000 in³ |
Solvers that use volume