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 256.5 cups into gallons we have to multiply 256.5 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

256.5 cup → V_(gal)

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

V_(gal) = 256.5 cup × 0.0625 gal

V_(gal) = 16.03125 gal

The final result is:

256.5 cup → 16.03125 gal

We conclude that 256.5 cups is equivalent to 16.03125 gallons:

256.5 cups = 16.03125 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.062378167641326 × 256.5 cups.

Another way is saying that 256.5 cups is equal to 1 ÷ 0.062378167641326 gallons.

Approximate result

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

256.5 cup ≅ 16.031 gal

An alternative is also that one gallon is approximately zero point zero six two times two hundred fifty-six point five 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