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 521 gallons into cubic feet we have to multiply 521 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

521 gal → V_(ft3)

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

V_(ft3) = 521 gal × 0.1336805555555 ft3

V_(ft3) = 69.647569444416 ft3

The final result is:

521 gal → 69.647569444416 ft3

We conclude that 521 gallons is equivalent to 69.647569444416 cubic feet:

521 gallons = 69.647569444416 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 0.014358002841694 × 521 gallons.

Another way is saying that 521 gallons is equal to 1 ÷ 0.014358002841694 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that five hundred twenty-one gallons is approximately sixty-nine point six four eight cubic feet:

521 gal ≅ 69.648 ft3

An alternative is also that one cubic foot is approximately zero point zero one four times five hundred twenty-one 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