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 100 cups into gallons we have to multiply 100 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

100 cup → V_(gal)

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

V_(gal) = 100 cup × 0.0625 gal

V_(gal) = 6.25 gal

The final result is:

100 cup → 6.25 gal

We conclude that 100 cups is equivalent to 6.25 gallons:

100 cups = 6.25 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.16 × 100 cups.

Another way is saying that 100 cups is equal to 1 ÷ 0.16 gallons.

Approximate result

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

100 cup ≅ 6.25 gal

An alternative is also that one gallon is approximately zero point one six times one hundred 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