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 0.5 cups into gallons we have to multiply 0.5 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

0.5 cup → V_(gal)

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

V_(gal) = 0.5 cup × 0.0625 gal

V_(gal) = 0.03125 gal

The final result is:

0.5 cup → 0.03125 gal

We conclude that 0.5 cups is equivalent to 0.03125 gallons:

0.5 cups = 0.03125 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 32 × 0.5 cups.

Another way is saying that 0.5 cups is equal to 1 ÷ 32 gallons.

Approximate result

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

0.5 cup ≅ 0.031 gal

An alternative is also that one gallon is approximately thirty-two times zero 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