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 10.9 cubic feet into gallons we have to multiply 10.9 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

10.9 ft3 → V_(gal)

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

V_(gal) = 10.9 ft3 × 7.4805194805226 gal

V_(gal) = 81.537662337696 gal

The final result is:

10.9 ft3 → 81.537662337696 gal

We conclude that 10.9 cubic feet is equivalent to 81.537662337696 gallons:

10.9 cubic feet = 81.537662337696 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.012264271151881 × 10.9 cubic feet.

Another way is saying that 10.9 cubic feet is equal to 1 ÷ 0.012264271151881 gallons.

Approximate result

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

10.9 ft3 ≅ 81.538 gal

An alternative is also that one gallon is approximately zero point zero one two times ten point nine 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