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 1260 cubic inches into gallons we have to multiply 1260 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

1260 in3 → V_(gal)

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

V_(gal) = 1260 in3 × 0.0043290043290138 gal

V_(gal) = 5.4545454545574 gal

The final result is:

1260 in3 → 5.4545454545574 gal

We conclude that 1260 cubic inches is equivalent to 5.4545454545574 gallons:

1260 cubic inches = 5.4545454545574 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.18333333333293 × 1260 cubic inches.

Another way is saying that 1260 cubic inches is equal to 1 ÷ 0.18333333333293 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand two hundred sixty cubic inches is approximately five point four five five gallons:

1260 in3 ≅ 5.455 gal

An alternative is also that one gallon is approximately zero point one eight three times one thousand two hundred sixty 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