# ››Convert cubic inch to gallon [US, liquid]

 cu in gallons

 Did you mean to convert cu in to gallon [US, liquid] gallon [US, dry]

How many cu in in 1 gallons? The answer is 231.
We assume you are converting between cubic inch and gallon [US, liquid].
You can view more details on each measurement unit:
cu in or gallons
The SI derived unit for volume is the cubic meter.
1 cubic meter is equal to 61023.7438368 cu in, or 264.17205124156 gallons.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between cubic inches and gallons.
Type in your own numbers in the form to convert the units!

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# ››Definition: Cubic inch

A cubic inch is the volume of a cube which is one inch long on each edge. It is equal to 16.387064 cm³.

# ››Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!