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 77.8 cubic feet into gallons we have to multiply 77.8 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

77.8 ft3 → V_(gal)

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

V_(gal) = 77.8 ft3 × 7.4805194805226 gal

V_(gal) = 581.98441558466 gal

The final result is:

77.8 ft3 → 581.98441558466 gal

We conclude that 77.8 cubic feet is equivalent to 581.98441558466 gallons:

77.8 cubic feet = 581.98441558466 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.0017182590688368 × 77.8 cubic feet.

Another way is saying that 77.8 cubic feet is equal to 1 ÷ 0.0017182590688368 gallons.

Approximate result

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

77.8 ft3 ≅ 581.984 gal

An alternative is also that one gallon is approximately zero point zero zero two times seventy-seven point eight 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