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 990 gallons into cubic feet we have to multiply 990 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

990 gal → V_(ft3)

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

V_(ft3) = 990 gal × 0.1336805555555 ft3

V_(ft3) = 132.34374999995 ft3

The final result is:

990 gal → 132.34374999995 ft3

We conclude that 990 gallons is equivalent to 132.34374999995 cubic feet:

990 gallons = 132.34374999995 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 0.0075560802833561 × 990 gallons.

Another way is saying that 990 gallons is equal to 1 ÷ 0.0075560802833561 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that nine hundred ninety gallons is approximately one hundred thirty-two point three four four cubic feet:

990 gal ≅ 132.344 ft3

An alternative is also that one cubic foot is approximately zero point zero zero eight times nine hundred ninety 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