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 321 gallons into cubic feet we have to multiply 321 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

321 gal → V_(ft3)

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

V_(ft3) = 321 gal × 0.1336805555555 ft3

V_(ft3) = 42.911458333316 ft3

The final result is:

321 gal → 42.911458333316 ft3

We conclude that 321 gallons is equivalent to 42.911458333316 cubic feet:

321 gallons = 42.911458333316 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 0.023303799004743 × 321 gallons.

Another way is saying that 321 gallons is equal to 1 ÷ 0.023303799004743 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred twenty-one gallons is approximately forty-two point nine one one cubic feet:

321 gal ≅ 42.911 ft3

An alternative is also that one cubic foot is approximately zero point zero two three times three 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