Convert gallons to cubic inches
cubic inches = gallons × 231
One gallon is 231 cubic inches, so multiply by 231 to convert. That factor is exact by definition. These are US customary measures. An imperial (UK) gallon is 4.54609 L against the US gallon's 3.785411784 L, and the imperial pint, quart and fluid ounce differ too, so UK figures will not match.
Convert any value
- Milliliters
- 3,785.411784 mL
- Cubic meters
- 0.003785 m³
- Teaspoons (US)
- 768 tsp
- Tablespoons (US)
- 256 tbsp
- Fluid ounces (US)
- 128 fl oz
- Cups (US)
- 16 cup
- Pints (US)
- 8 pt
- Quarts (US)
- 4 qt
- Gallons (US)
- 1 gal
- Cubic inches
- 231 in³
- Cubic feet
- 0.133681 ft³
- Cubic yards
- 0.004951 yd³
Assumptions
- US customary units (customary cup of 236.59 mL, US gallon of 3.785 L).
- Imperial units are shown in the table only.
| Measure | Equals |
|---|---|
| 1 teaspoon | 4.93 mL (metric tsp: 5 mL) |
| 1 tablespoon | 3 tsp = 14.79 mL = ½ fl oz |
| 1 fluid ounce | 2 tbsp = 29.57 mL |
| 1 cup | 8 fl oz = 16 tbsp = 236.59 mL (legal 'nutrition' cup: 240 mL) |
| 1 pint | 2 cups = 16 fl oz = 473.18 mL |
| 1 quart | 2 pints = 4 cups = 946.35 mL |
| 1 gallon | 4 quarts = 16 cups = 128 fl oz = 3.785 L |
| 1 liter | 4.227 cups = 33.81 fl oz = 1.0567 qt |
| Unit | US (mL) | Imperial (mL) |
|---|---|---|
| Fluid ounce | 29.57 | 28.41 |
| Cup | 236.59 | 284.13 |
| Pint | 473.18 | 568.26 |
| Quart | 946.35 | 1,136.52 |
| Gallon | 3,785.41 | 4,546.09 |
An imperial pint is 20 imperial fl oz; a US pint is 16 US fl oz. This converter uses US units.
gallons to cubic inches table
| gallons | cubic inches |
|---|---|
| 1 gallon | 231 cubic inches |
| 2 gallons | 462 cubic inches |
| 3 gallons | 693 cubic inches |
| 4 gallons | 924 cubic inches |
| 5 gallons | 1,155 cubic inches |
| 10 gallons | 2,310 cubic inches |
| 15 gallons | 3,465 cubic inches |
| 20 gallons | 4,620 cubic inches |
| 25 gallons | 5,775 cubic inches |
| 50 gallons | 11,550 cubic inches |
| 75 gallons | 17,325 cubic inches |
| 100 gallons | 23,100 cubic inches |
| 500 gallons | 115,500 cubic inches |
| 1,000 gallons | 231,000 cubic inches |
Other conversions
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1 gallon = 231 cubic inches. Source: https://www.calculateitnow.dev/gallons-to-cubic-inches