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Unit Converter

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 1 gallon into cubic feet we have to multiply 1 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

1 gal → V(ft3)

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

V(ft3) = 1 gal × 0.1336805555555 ft3

V(ft3) = 0.1336805555555 ft3

The final result is:

1 gal → 0.1336805555555 ft3

We conclude that 1 gallon is equivalent to 0.1336805555555 cubic feet:

1 gallon = 0.1336805555555 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 7.4805194805226 × 1 gallon.

Another way is saying that 1 gallon is equal to 1 ÷ 7.4805194805226 cubic feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one gallon is approximately zero point one three four cubic feet:

1 gal ≅ 0.134 ft3

An alternative is also that one cubic foot is approximately seven point four eight one times one gallon.

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

gallons (gal) cubic feet (ft3)
2 gallons 0.267 cubic feet
3 gallons 0.401 cubic feet
4 gallons 0.535 cubic feet
5 gallons 0.668 cubic feet
6 gallons 0.802 cubic feet
7 gallons 0.936 cubic feet
8 gallons 1.069 cubic feet
9 gallons 1.203 cubic feet
10 gallons 1.337 cubic feet
11 gallons 1.47 cubic feet