US Gallons to Cubic Inches Converter
Convert US gallons (gal) to cubic inches (in³), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a volume, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 gal = 231 in³
- 1 × 231 = 231 in³
How to convert us gallons to cubic inches
1 gal = 231 in³, so multiply by 231 to go from US gallons to cubic inches. Going the other way, 1 in³ = 0.004329004329 gal.
in³ = gal × 231 gal = in³ × 0.004329004329
Worked example:
1 gal = 231 in³ 5 × 231 = 1155 in³
US Gallons to cubic inches table
| US 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 |
| 15 gal | 3,465 in³ |
| 20 gal | 4,620 in³ |
| 25 gal | 5,775 in³ |
| 30 gal | 6,930 in³ |
| 40 gal | 9,240 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 |
About the units
- US Gallons (gal)
- US gallons, a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).
- Cubic Inches (in³)
- Cubic inches, a US customary unit. Definition: NIST Handbook 44 (2024), Appendix C: General Tables of Units of Measurement.
Related conversions
- Cubic Inches to US Gallons
- Volume Converter: every unit
- US Gallons to Beer Barrels
- US Gallons to Beers
- US Gallons to Cases
- US Gallons to Bombers
- US Gallons to Cubic Centimeters
- US Gallons to Cubic Feet
- US Gallons to Cubic Meters
- US Gallons to Cubic Yards
- US Gallons to Forties
- US Gallons to Grams
- US Gallons to Growlers
- US Gallons to Half-barrel Kegs