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 216 gallons into cubic feet we have to multiply 216 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

216 gal → V_(ft3)

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

V_(ft3) = 216 gal × 0.1336805555555 ft3

V_(ft3) = 28.874999999988 ft3

The final result is:

216 gal → 28.874999999988 ft3

We conclude that 216 gallons is equivalent to 28.874999999988 cubic feet:

216 gallons = 28.874999999988 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 0.034632034632049 × 216 gallons.

Another way is saying that 216 gallons is equal to 1 ÷ 0.034632034632049 cubic feet.

Approximate result

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

216 gal ≅ 28.875 ft3

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