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 840.4 gallons into cubic feet we have to multiply 840.4 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

840.4 gal → V_(ft3)

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

V_(ft3) = 840.4 gal × 0.1336805555555 ft3

V_(ft3) = 112.34513888884 ft3

The final result is:

840.4 gal → 112.34513888884 ft3

We conclude that 840.4 gallons is equivalent to 112.34513888884 cubic feet:

840.4 gallons = 112.34513888884 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 0.008901141695053 × 840.4 gallons.

Another way is saying that 840.4 gallons is equal to 1 ÷ 0.008901141695053 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight hundred forty point four gallons is approximately one hundred twelve point three four five cubic feet:

840.4 gal ≅ 112.345 ft3

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