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Unit Converter

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 15.5 cubic feet into gallons we have to multiply 15.5 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

15.5 ft3 → V(gal)

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

V(gal) = 15.5 ft3 × 7.4805194805226 gal

V(gal) = 115.9480519481 gal

The final result is:

15.5 ft3 → 115.9480519481 gal

We conclude that 15.5 cubic feet is equivalent to 115.9480519481 gallons:

15.5 cubic feet = 115.9480519481 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.0086245519713226 × 15.5 cubic feet.

Another way is saying that 15.5 cubic feet is equal to 1 ÷ 0.0086245519713226 gallons.

Approximate result

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

15.5 ft3 ≅ 115.948 gal

An alternative is also that one gallon is approximately zero point zero zero nine times fifteen point five 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

cubic feet (ft3) gallons (gal)
16.5 cubic feet 123.429 gallons
17.5 cubic feet 130.909 gallons
18.5 cubic feet 138.39 gallons
19.5 cubic feet 145.87 gallons
20.5 cubic feet 153.351 gallons
21.5 cubic feet 160.831 gallons
22.5 cubic feet 168.312 gallons
23.5 cubic feet 175.792 gallons
24.5 cubic feet 183.273 gallons
25.5 cubic feet 190.753 gallons