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 512 cubic inches into gallons we have to multiply 512 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

512 in3 → V_(gal)

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

V_(gal) = 512 in3 × 0.0043290043290138 gal

V_(gal) = 2.2164502164551 gal

The final result is:

512 in3 → 2.2164502164551 gal

We conclude that 512 cubic inches is equivalent to 2.2164502164551 gallons:

512 cubic inches = 2.2164502164551 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.45117187499901 × 512 cubic inches.

Another way is saying that 512 cubic inches is equal to 1 ÷ 0.45117187499901 gallons.

Approximate result

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

512 in3 ≅ 2.216 gal

An alternative is also that one gallon is approximately zero point four five one times five hundred twelve 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