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 158.9 gallons into cubic feet we have to multiply 158.9 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

158.9 gal → V_(ft3)

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

V_(ft3) = 158.9 gal × 0.1336805555555 ft3

V_(ft3) = 21.241840277769 ft3

The final result is:

158.9 gal → 21.241840277769 ft3

We conclude that 158.9 gallons is equivalent to 21.241840277769 cubic feet:

158.9 gallons = 21.241840277769 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 0.047076900443817 × 158.9 gallons.

Another way is saying that 158.9 gallons is equal to 1 ÷ 0.047076900443817 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 point nine gallons is approximately twenty-one point two four two cubic feet:

158.9 gal ≅ 21.242 ft3

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