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 825 cubic inches into gallons we have to multiply 825 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

825 in3 → V_(gal)

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

V_(gal) = 825 in3 × 0.0043290043290138 gal

V_(gal) = 3.5714285714364 gal

The final result is:

825 in3 → 3.5714285714364 gal

We conclude that 825 cubic inches is equivalent to 3.5714285714364 gallons:

825 cubic inches = 3.5714285714364 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.27999999999939 × 825 cubic inches.

Another way is saying that 825 cubic inches is equal to 1 ÷ 0.27999999999939 gallons.

Approximate result

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

825 in3 ≅ 3.571 gal

An alternative is also that one gallon is approximately zero point two eight times eight hundred twenty-five 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