Conversion formula

The conversion factor from cubic feet to gallons is 7.4805194805226, which means that 1 cubic foot is equal to 7.4805194805226 gallons:

1 ft3 = 7.4805194805226 gal

To convert 721.5 cubic feet into gallons we have to multiply 721.5 by the conversion factor in order to get the volume amount from cubic feet to gallons. We can also form a simple proportion to calculate the result:

1 ft3 → 7.4805194805226 gal

721.5 ft3 → V_(gal)

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

V_(gal) = 721.5 ft3 × 7.4805194805226 gal

V_(gal) = 5397.194805197 gal

The final result is:

721.5 ft3 → 5397.194805197 gal

We conclude that 721.5 cubic feet is equivalent to 5397.194805197 gallons:

721.5 cubic feet = 5397.194805197 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.00018528143528136 × 721.5 cubic feet.

Another way is saying that 721.5 cubic feet is equal to 1 ÷ 0.00018528143528136 gallons.

Approximate result

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

721.5 ft3 ≅ 5397.195 gal

An alternative is also that one gallon is approximately zero times seven hundred twenty-one point five cubic feet.

Conversion table

cubic feet to gallons chart

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