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 155.5 gallons into cubic feet we have to multiply 155.5 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

155.5 gal → V_(ft3)

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

V_(ft3) = 155.5 gal × 0.1336805555555 ft3

V_(ft3) = 20.78732638888 ft3

The final result is:

155.5 gal → 20.78732638888 ft3

We conclude that 155.5 gallons is equivalent to 20.78732638888 cubic feet:

155.5 gallons = 20.78732638888 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 0.048106234601431 × 155.5 gallons.

Another way is saying that 155.5 gallons is equal to 1 ÷ 0.048106234601431 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-five point five gallons is approximately twenty point seven eight seven cubic feet:

155.5 gal ≅ 20.787 ft3

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