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 289.3 cups into gallons we have to multiply 289.3 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

289.3 cup → V_(gal)

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

V_(gal) = 289.3 cup × 0.0625 gal

V_(gal) = 18.08125 gal

The final result is:

289.3 cup → 18.08125 gal

We conclude that 289.3 cups is equivalent to 18.08125 gallons:

289.3 cups = 18.08125 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.055305910819219 × 289.3 cups.

Another way is saying that 289.3 cups is equal to 1 ÷ 0.055305910819219 gallons.

Approximate result

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

289.3 cup ≅ 18.081 gal

An alternative is also that one gallon is approximately zero point zero five five times two hundred eighty-nine point three 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