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 158 gallons into cubic feet we have to multiply 158 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

158 gal → V_(ft3)

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

V_(ft3) = 158 gal × 0.1336805555555 ft3

V_(ft3) = 21.121527777769 ft3

The final result is:

158 gal → 21.121527777769 ft3

We conclude that 158 gallons is equivalent to 21.121527777769 cubic feet:

158 gallons = 21.121527777769 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 0.047345060003307 × 158 gallons.

Another way is saying that 158 gallons is equal to 1 ÷ 0.047345060003307 cubic feet.

Approximate result

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

158 gal ≅ 21.122 ft3

An alternative is also that one cubic foot is approximately zero point zero four seven times one hundred fifty-eight 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