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 1000 gallons into cubic feet we have to multiply 1000 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

1000 gal → V_(ft3)

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

V_(ft3) = 1000 gal × 0.1336805555555 ft3

V_(ft3) = 133.6805555555 ft3

The final result is:

1000 gal → 133.6805555555 ft3

We conclude that 1000 gallons is equivalent to 133.6805555555 cubic feet:

1000 gallons = 133.6805555555 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 0.0074805194805226 × 1000 gallons.

Another way is saying that 1000 gallons is equal to 1 ÷ 0.0074805194805226 cubic feet.

Approximate result

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

1000 gal ≅ 133.681 ft3

An alternative is also that one cubic foot is approximately zero point zero zero seven times one thousand 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