Conversion formula

The conversion factor from cups to gallons is 0.0625, which means that 1 cup is equal to 0.0625 gallons:

1 cup = 0.0625 gal

To convert 339.4 cups into gallons we have to multiply 339.4 by the conversion factor in order to get the volume amount from cups to gallons. We can also form a simple proportion to calculate the result:

1 cup → 0.0625 gal

339.4 cup → V_(gal)

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

V_(gal) = 339.4 cup × 0.0625 gal

V_(gal) = 21.2125 gal

The final result is:

339.4 cup → 21.2125 gal

We conclude that 339.4 cups is equivalent to 21.2125 gallons:

339.4 cups = 21.2125 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.047142015321155 × 339.4 cups.

Another way is saying that 339.4 cups is equal to 1 ÷ 0.047142015321155 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred thirty-nine point four cups is approximately twenty-one point two one three gallons:

339.4 cup ≅ 21.213 gal

An alternative is also that one gallon is approximately zero point zero four seven times three hundred thirty-nine point four cups.

Conversion table

cups to gallons chart

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