Cubic Inches to Gallons Converter
Convert volume from cubic inches to US gallons
Volume Conversion
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Conversion Result
1 gallon = 231 cubic inches
Cubic Inches to Gallons Converter
Need to convert a volume from cubic inches to gallons (US)? This tool provides a fast and accurate conversion, ideal for anyone working with engine capacity, liquid volumes, or U.S. customary units in general.
Conversion Facts
- 1 cubic inch (in³) = 0.0043290043 gallons (US)
- 1 gallon (US) = 231 cubic inches
Cubic Inches to Gallons Conversion Table
| Cubic Inches (in³) | Gallons (US) |
| 0.01 in³ | 0.00004329 gal |
| 0.1 in³ | 0.0004329004 gal |
| 1 in³ | 0.0043290043 gal |
| 2 in³ | 0.0086580087 gal |
| 3 in³ | 0.012987013 gal |
| 5 in³ | 0.0216450216 gal |
| 10 in³ | 0.0432900433 gal |
| 20 in³ | 0.0865800866 gal |
| 50 in³ | 0.2164502165 gal |
| 100 in³ | 0.4329004329 gal |
| 1000 in³ | 4.329004329 gal |
How to Convert Cubic Inches to Gallons (US)
To convert cubic inches to US gallons, divide the volume in cubic inches by 231, or multiply it by 0.0043290043.
Formula:
Gallons = Cubic Inches × 0.0043290043
Alternate Formula:
Gallons = Cubic Inches ÷ 231
Quick Tip:
Use the multiplier 0.00433 for a quick estimate, but for precise conversions, stick with the full value (0.0043290043).
Conversion Example: 15 in³ to gallons
To convert 15 in³ to gallons:
15 × 0.0043290043 = 0.0649350649 gal (US)
So, 15 cubic inches is equal to approximately 0.0649 US gallons.