## 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 3.8 cubic inches into gallons we have to multiply 3.8 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

3.8 in3 → V(gal)

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

V(gal) = 3.8 in3 × 0.0043290043290138 gal

V(gal) = 0.016450216450253 gal

The final result is:

3.8 in3 → 0.016450216450253 gal

We conclude that 3.8 cubic inches is equivalent to 0.016450216450253 gallons:

3.8 cubic inches = 0.016450216450253 gallons

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 60.789473684077 × 3.8 cubic inches.

Another way is saying that 3.8 cubic inches is equal to 1 ÷ 60.789473684077 gallons.

## Approximate result

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

3.8 in3 ≅ 0.016 gal

An alternative is also that one gallon is approximately sixty point seven eight nine times three point eight 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)
4.8 cubic inches 0.021 gallons
5.8 cubic inches 0.025 gallons
6.8 cubic inches 0.029 gallons
7.8 cubic inches 0.034 gallons
8.8 cubic inches 0.038 gallons
9.8 cubic inches 0.042 gallons
10.8 cubic inches 0.047 gallons
11.8 cubic inches 0.051 gallons
12.8 cubic inches 0.055 gallons
13.8 cubic inches 0.06 gallons