Conversion formula

The conversion factor from gallons to cubic inches is 230.99999999949, which means that 1 gallon is equal to 230.99999999949 cubic inches:

1 gal = 230.99999999949 in3

To convert 720 gallons into cubic inches we have to multiply 720 by the conversion factor in order to get the volume amount from gallons to cubic inches. We can also form a simple proportion to calculate the result:

1 gal → 230.99999999949 in3

720 gal → V_(in3)

Solve the above proportion to obtain the volume V in cubic inches:

V_(in3) = 720 gal × 230.99999999949 in3

V_(in3) = 166319.99999964 in3

The final result is:

720 gal → 166319.99999964 in3

We conclude that 720 gallons is equivalent to 166319.99999964 cubic inches:

720 gallons = 166319.99999964 cubic inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cubic inch is equal to 6.0125060125192E-6 × 720 gallons.

Another way is saying that 720 gallons is equal to 1 ÷ 6.0125060125192E-6 cubic inches.

Approximate result

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

720 gal ≅ 166320 in3

An alternative is also that one cubic inch is approximately zero times seven hundred twenty gallons.

Conversion table

gallons to cubic inches chart

For quick reference purposes, below is the conversion table you can use to convert from gallons to cubic inches