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 1089 cubic inches into gallons we have to multiply 1089 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

1089 in3 → V_(gal)

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

V_(gal) = 1089 in3 × 0.0043290043290138 gal

V_(gal) = 4.7142857142961 gal

The final result is:

1089 in3 → 4.7142857142961 gal

We conclude that 1089 cubic inches is equivalent to 4.7142857142961 gallons:

1089 cubic inches = 4.7142857142961 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.21212121212075 × 1089 cubic inches.

Another way is saying that 1089 cubic inches is equal to 1 ÷ 0.21212121212075 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand eighty-nine cubic inches is approximately four point seven one four gallons:

1089 in3 ≅ 4.714 gal

An alternative is also that one gallon is approximately zero point two one two times one thousand eighty-nine 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