Conversion formula

The conversion factor from cubic feet to gallons is 7.4805194805226, which means that 1 cubic foot is equal to 7.4805194805226 gallons:

1 ft3 = 7.4805194805226 gal

To convert 4.2 cubic feet into gallons we have to multiply 4.2 by the conversion factor in order to get the volume amount from cubic feet to gallons. We can also form a simple proportion to calculate the result:

1 ft3 → 7.4805194805226 gal

4.2 ft3 → V_(gal)

Solve the above proportion to obtain the volume V in gallons:

V_(gal) = 4.2 ft3 × 7.4805194805226 gal

V_(gal) = 31.418181818195 gal

The final result is:

4.2 ft3 → 31.418181818195 gal

We conclude that 4.2 cubic feet is equivalent to 31.418181818195 gallons:

4.2 cubic feet = 31.418181818195 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.031828703703691 × 4.2 cubic feet.

Another way is saying that 4.2 cubic feet is equal to 1 ÷ 0.031828703703691 gallons.

Approximate result

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

4.2 ft3 ≅ 31.418 gal

An alternative is also that one gallon is approximately zero point zero three two times four point two cubic feet.

Conversion table

cubic feet to gallons chart

For quick reference purposes, below is the conversion table you can use to convert from cubic feet to gallons