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 250 cubic inches into gallons we have to multiply 250 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

250 in3 → V_(gal)

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

V_(gal) = 250 in3 × 0.0043290043290138 gal

V_(gal) = 1.0822510822535 gal

The final result is:

250 in3 → 1.0822510822535 gal

We conclude that 250 cubic inches is equivalent to 1.0822510822535 gallons:

250 cubic inches = 1.0822510822535 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.92399999999797 × 250 cubic inches.

Another way is saying that 250 cubic inches is equal to 1 ÷ 0.92399999999797 gallons.

Approximate result

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

250 in3 ≅ 1.082 gal

An alternative is also that one gallon is approximately zero point nine two four times two hundred fifty 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