Gallons (US) to Cubic Inches
Convert Gallons (US) (gal) to Cubic Inches (in³) instantly, with a formula, reference table, and FAQ.
Formula
Gallons (US) × 231 = Cubic Inches
Gallons (US) (gal) and Cubic Inches (in³) are both units of volume. Use the converter above for any value, or check the quick-reference table below for common amounts.
Quick reference
| gal | in³ |
|---|---|
| 1 gal | 231 in³ |
| 5 gal | 1,155 in³ |
| 10 gal | 2,310 in³ |
| 25 gal | 5,775 in³ |
| 50 gal | 11,550 in³ |
| 100 gal | 23,100 in³ |
| 500 gal | 115,500 in³ |
| 1000 gal | 231,000 in³ |
Frequently asked questions
How many Cubic Inches is one Gallons (US)?
One Gallons (US) (gal) equals 231 Cubic Inches (in³).
How do I convert Gallons (US) to Cubic Inches?
Multiply the value in Gallons (US) by 231 to get Cubic Inches.
Is the Gallons (US) to Cubic Inches conversion exact?
Yes — this converter uses the internationally defined conversion factor between gallons (us) and cubic inches, accurate to several decimal places.