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 135 gallons into cubic feet we have to multiply 135 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

135 gal → V_(ft3)

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

V_(ft3) = 135 gal × 0.1336805555555 ft3

V_(ft3) = 18.046874999993 ft3

The final result is:

135 gal → 18.046874999993 ft3

We conclude that 135 gallons is equivalent to 18.046874999993 cubic feet:

135 gallons = 18.046874999993 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 0.055411255411278 × 135 gallons.

Another way is saying that 135 gallons is equal to 1 ÷ 0.055411255411278 cubic feet.

Approximate result

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

135 gal ≅ 18.047 ft3

An alternative is also that one cubic foot is approximately zero point zero five five times one hundred thirty-five 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