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 1540 cubic inches into gallons we have to multiply 1540 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

1540 in3 → V_(gal)

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

V_(gal) = 1540 in3 × 0.0043290043290138 gal

V_(gal) = 6.6666666666813 gal

The final result is:

1540 in3 → 6.6666666666813 gal

We conclude that 1540 cubic inches is equivalent to 6.6666666666813 gallons:

1540 cubic inches = 6.6666666666813 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.14999999999967 × 1540 cubic inches.

Another way is saying that 1540 cubic inches is equal to 1 ÷ 0.14999999999967 gallons.

Approximate result

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

1540 in3 ≅ 6.667 gal

An alternative is also that one gallon is approximately zero point one five times one thousand five 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