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 15.8 cubic feet into gallons we have to multiply 15.8 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

15.8 ft3 → V_(gal)

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

V_(gal) = 15.8 ft3 × 7.4805194805226 gal

V_(gal) = 118.19220779226 gal

The final result is:

15.8 ft3 → 118.19220779226 gal

We conclude that 15.8 cubic feet is equivalent to 118.19220779226 gallons:

15.8 cubic feet = 118.19220779226 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.0084607946554114 × 15.8 cubic feet.

Another way is saying that 15.8 cubic feet is equal to 1 ÷ 0.0084607946554114 gallons.

Approximate result

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

15.8 ft3 ≅ 118.192 gal

An alternative is also that one gallon is approximately zero point zero zero eight times fifteen 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