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 100 cubic feet into gallons we have to multiply 100 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

100 ft3 → V_(gal)

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

V_(gal) = 100 ft3 × 7.4805194805226 gal

V_(gal) = 748.05194805226 gal

The final result is:

100 ft3 → 748.05194805226 gal

We conclude that 100 cubic feet is equivalent to 748.05194805226 gallons:

100 cubic feet = 748.05194805226 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.001336805555555 × 100 cubic feet.

Another way is saying that 100 cubic feet is equal to 1 ÷ 0.001336805555555 gallons.

Approximate result

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

100 ft3 ≅ 748.052 gal

An alternative is also that one gallon is approximately zero point zero zero one times one hundred 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