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 gallons into cubic feet we have to multiply 840 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 gal → V_(ft3)

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

V_(ft3) = 840 gal × 0.1336805555555 ft3

V_(ft3) = 112.29166666662 ft3

The final result is:

840 gal → 112.29166666662 ft3

We conclude that 840 gallons is equivalent to 112.29166666662 cubic feet:

840 gallons = 112.29166666662 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 0.0089053803339554 × 840 gallons.

Another way is saying that 840 gallons is equal to 1 ÷ 0.0089053803339554 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 gallons is approximately one hundred twelve point two nine two cubic feet:

840 gal ≅ 112.292 ft3

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