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 321 cups into gallons we have to multiply 321 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

321 cup → V_(gal)

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

V_(gal) = 321 cup × 0.0625 gal

V_(gal) = 20.0625 gal

The final result is:

321 cup → 20.0625 gal

We conclude that 321 cups is equivalent to 20.0625 gallons:

321 cups = 20.0625 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.049844236760125 × 321 cups.

Another way is saying that 321 cups is equal to 1 ÷ 0.049844236760125 gallons.

Approximate result

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

321 cup ≅ 20.063 gal

An alternative is also that one gallon is approximately zero point zero five times three hundred twenty-one 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