US Gallons to Cubic Inches: the quick answer
1 gal = 231 in³
1 US gallon equals 231 cubic inches
To convert US gallons to cubic inches, multiply the value by 231. To go the other way, multiply cubic inches by 0.004329 to get US gallons.
To convert US gallons to cubic inches, multiply the value by 231. To go the other way, multiply cubic inches by 0.004329 to get US gallons.
| US Gallons (gal) | Cubic Inches (in³) |
|---|---|
| 1 gal | 231 in³ |
| 2 gal | 462 in³ |
| 5 gal | 1,155 in³ |
| 10 gal | 2,310 in³ |
| 20 gal | 4,620 in³ |
| 50 gal | 11,550 in³ |
| 100 gal | 23,100 in³ |
| 500 gal | 115,500 in³ |
| 1,000 gal | 231,000 in³ |
US gallon (gal). The US liquid gallon is 231 cubic inches, exactly 3.785411784 liters.
Cubic inch (in³). A cubic inch is 16.387 mL, used for engine displacement in the US.
There are 231 cubic inches in one US gallon.
Multiply the number of US gallons by 231. For example, 10 US gallons equal 2,310 cubic inches.
One cubic inch equals 0.004329 US gallons.