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 1991 gallons into cubic feet we have to multiply 1991 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

1991 gal → V_(ft3)

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

V_(ft3) = 1991 gal × 0.1336805555555 ft3

V_(ft3) = 266.157986111 ft3

The final result is:

1991 gal → 266.157986111 ft3

We conclude that 1991 gallons is equivalent to 266.157986111 cubic feet:

1991 gallons = 266.157986111 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 0.003757166991724 × 1991 gallons.

Another way is saying that 1991 gallons is equal to 1 ÷ 0.003757166991724 cubic feet.

Approximate result

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

1991 gal ≅ 266.158 ft3

An alternative is also that one cubic foot is approximately zero point zero zero four times one thousand nine hundred ninety-one 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