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 422 cubic inches into gallons we have to multiply 422 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

422 in3 → V_(gal)

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

V_(gal) = 422 in3 × 0.0043290043290138 gal

V_(gal) = 1.8268398268438 gal

The final result is:

422 in3 → 1.8268398268438 gal

We conclude that 422 cubic inches is equivalent to 1.8268398268438 gallons:

422 cubic inches = 1.8268398268438 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.54739336492771 × 422 cubic inches.

Another way is saying that 422 cubic inches is equal to 1 ÷ 0.54739336492771 gallons.

Approximate result

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

422 in3 ≅ 1.827 gal

An alternative is also that one gallon is approximately zero point five four seven times four hundred twenty-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