## 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 155.2 cubic inches into gallons we have to multiply 155.2 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

155.2 in3 → V(gal)

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

V(gal) = 155.2 in3 × 0.0043290043290138 gal

V(gal) = 0.67186147186294 gal

The final result is:

155.2 in3 → 0.67186147186294 gal

We conclude that 155.2 cubic inches is equivalent to 0.67186147186294 gallons:

155.2 cubic inches = 0.67186147186294 gallons

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 1.4884020618524 × 155.2 cubic inches.

Another way is saying that 155.2 cubic inches is equal to 1 ÷ 1.4884020618524 gallons.

## Approximate result

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

155.2 in3 ≅ 0.672 gal

An alternative is also that one gallon is approximately one point four eight eight times one hundred fifty-five point 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

cubic inches (in3) gallons (gal)
156.2 cubic inches 0.676 gallons
157.2 cubic inches 0.681 gallons
158.2 cubic inches 0.685 gallons
159.2 cubic inches 0.689 gallons
160.2 cubic inches 0.694 gallons
161.2 cubic inches 0.698 gallons
162.2 cubic inches 0.702 gallons
163.2 cubic inches 0.706 gallons
164.2 cubic inches 0.711 gallons
165.2 cubic inches 0.715 gallons