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 66 gallons into cubic feet we have to multiply 66 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

66 gal → V_(ft3)

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

V_(ft3) = 66 gal × 0.1336805555555 ft3

V_(ft3) = 8.822916666663 ft3

The final result is:

66 gal → 8.822916666663 ft3

We conclude that 66 gallons is equivalent to 8.822916666663 cubic feet:

66 gallons = 8.822916666663 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 0.11334120425034 × 66 gallons.

Another way is saying that 66 gallons is equal to 1 ÷ 0.11334120425034 cubic feet.

Approximate result

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

66 gal ≅ 8.823 ft3

An alternative is also that one cubic foot is approximately zero point one one three times sixty-six 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