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 140 gallons into cubic feet we have to multiply 140 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

140 gal → V_(ft3)

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

V_(ft3) = 140 gal × 0.1336805555555 ft3

V_(ft3) = 18.71527777777 ft3

The final result is:

140 gal → 18.71527777777 ft3

We conclude that 140 gallons is equivalent to 18.71527777777 cubic feet:

140 gallons = 18.71527777777 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 0.053432282003733 × 140 gallons.

Another way is saying that 140 gallons is equal to 1 ÷ 0.053432282003733 cubic feet.

Approximate result

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

140 gal ≅ 18.715 ft3

An alternative is also that one cubic foot is approximately zero point zero five three times one hundred forty 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