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 3240 cubic inches into gallons we have to multiply 3240 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

3240 in3 → V_(gal)

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

V_(gal) = 3240 in3 × 0.0043290043290138 gal

V_(gal) = 14.025974026005 gal

The final result is:

3240 in3 → 14.025974026005 gal

We conclude that 3240 cubic inches is equivalent to 14.025974026005 gallons:

3240 cubic inches = 14.025974026005 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.07129629629614 × 3240 cubic inches.

Another way is saying that 3240 cubic inches is equal to 1 ÷ 0.07129629629614 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three thousand two hundred forty cubic inches is approximately fourteen point zero two six gallons:

3240 in3 ≅ 14.026 gal

An alternative is also that one gallon is approximately zero point zero seven one times three thousand two hundred forty 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