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 278 cups into gallons we have to multiply 278 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

278 cup → V_(gal)

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

V_(gal) = 278 cup × 0.0625 gal

V_(gal) = 17.375 gal

The final result is:

278 cup → 17.375 gal

We conclude that 278 cups is equivalent to 17.375 gallons:

278 cups = 17.375 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.057553956834532 × 278 cups.

Another way is saying that 278 cups is equal to 1 ÷ 0.057553956834532 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that two hundred seventy-eight cups is approximately seventeen point three seven five gallons:

278 cup ≅ 17.375 gal

An alternative is also that one gallon is approximately zero point zero five eight times two hundred seventy-eight 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