Conversion formula

The conversion factor from cubic inches to gallons is 0.0043290043290138, which means that 1 cubic inch is equal to 0.0043290043290138 gallons:

1 in3 = 0.0043290043290138 gal

To convert 231 cubic inches into gallons we have to multiply 231 by the conversion factor in order to get the volume amount from cubic inches to gallons. We can also form a simple proportion to calculate the result:

1 in3 → 0.0043290043290138 gal

231 in3 → V_(gal)

Solve the above proportion to obtain the volume V in gallons:

V_(gal) = 231 in3 × 0.0043290043290138 gal

V_(gal) = 1.0000000000022 gal

The final result is:

231 in3 → 1.0000000000022 gal

We conclude that 231 cubic inches is equivalent to 1.0000000000022 gallons:

231 cubic inches = 1.0000000000022 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.99999999999781 × 231 cubic inches.

Another way is saying that 231 cubic inches is equal to 1 ÷ 0.99999999999781 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that two hundred thirty-one cubic inches is approximately one gallons:

231 in3 ≅ 1 gal

An alternative is also that one gallon is approximately one times two hundred thirty-one cubic inches.

Conversion table

cubic inches to gallons chart

For quick reference purposes, below is the conversion table you can use to convert from cubic inches to gallons