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 10.3 cups into gallons we have to multiply 10.3 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

10.3 cup → V_(gal)

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

V_(gal) = 10.3 cup × 0.0625 gal

V_(gal) = 0.64375 gal

The final result is:

10.3 cup → 0.64375 gal

We conclude that 10.3 cups is equivalent to 0.64375 gallons:

10.3 cups = 0.64375 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 1.5533980582524 × 10.3 cups.

Another way is saying that 10.3 cups is equal to 1 ÷ 1.5533980582524 gallons.

Approximate result

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

10.3 cup ≅ 0.644 gal

An alternative is also that one gallon is approximately one point five five three times ten 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