Conversion formula

The conversion factor from gallons to cubic feet is 0.1336805555555, which means that 1 gallon is equal to 0.1336805555555 cubic feet:

1 gal = 0.1336805555555 ft3

To convert 813 gallons into cubic feet we have to multiply 813 by the conversion factor in order to get the volume amount from gallons to cubic feet. We can also form a simple proportion to calculate the result:

1 gal → 0.1336805555555 ft3

813 gal → V_(ft3)

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

V_(ft3) = 813 gal × 0.1336805555555 ft3

V_(ft3) = 108.68229166662 ft3

The final result is:

813 gal → 108.68229166662 ft3

We conclude that 813 gallons is equivalent to 108.68229166662 cubic feet:

813 gallons = 108.68229166662 cubic feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cubic foot is equal to 0.0092011309723525 × 813 gallons.

Another way is saying that 813 gallons is equal to 1 ÷ 0.0092011309723525 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight hundred thirteen gallons is approximately one hundred eight point six eight two cubic feet:

813 gal ≅ 108.682 ft3

An alternative is also that one cubic foot is approximately zero point zero zero nine times eight hundred thirteen gallons.

Conversion table

gallons to cubic feet chart

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