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 338 cubic inches into gallons we have to multiply 338 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

338 in3 → V_(gal)

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

V_(gal) = 338 in3 × 0.0043290043290138 gal

V_(gal) = 1.4632034632067 gal

The final result is:

338 in3 → 1.4632034632067 gal

We conclude that 338 cubic inches is equivalent to 1.4632034632067 gallons:

338 cubic inches = 1.4632034632067 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.68343195266122 × 338 cubic inches.

Another way is saying that 338 cubic inches is equal to 1 ÷ 0.68343195266122 gallons.

Approximate result

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

338 in3 ≅ 1.463 gal

An alternative is also that one gallon is approximately zero point six eight three times three hundred thirty-eight 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