About the Units
cubic inch (in³)
A small volume unit used in mechanical and precision engineering.
gallon (gal)
A standard volume unit for liquids in the United States.
Common Conversions
- 1 in³ = 0.0043290034 gal
- 231.00006 in³ = 1 gal
Convert from cubic inches to gallons
Conversion Information
To convert from cubic inches to gallons, multiply by 0.0043290034
1 in³ = 0.0043290034 gal