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 672 cubic inches into gallons we have to multiply 672 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

672 in3 → V_(gal)

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

V_(gal) = 672 in3 × 0.0043290043290138 gal

V_(gal) = 2.9090909090973 gal

The final result is:

672 in3 → 2.9090909090973 gal

We conclude that 672 cubic inches is equivalent to 2.9090909090973 gallons:

672 cubic inches = 2.9090909090973 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.34374999999925 × 672 cubic inches.

Another way is saying that 672 cubic inches is equal to 1 ÷ 0.34374999999925 gallons.

Approximate result

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

672 in3 ≅ 2.909 gal

An alternative is also that one gallon is approximately zero point three four four times six hundred seventy-two 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