Conversion formula

The conversion factor from gallons to cups is 16, which means that 1 gallon is equal to 16 cups:

1 gal = 16 cup

To convert 663 gallons into cups we have to multiply 663 by the conversion factor in order to get the volume amount from gallons to cups. We can also form a simple proportion to calculate the result:

1 gal → 16 cup

663 gal → V_(cup)

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

V_(cup) = 663 gal × 16 cup

V_(cup) = 10608 cup

The final result is:

663 gal → 10608 cup

We conclude that 663 gallons is equivalent to 10608 cups:

663 gallons = 10608 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 9.4268476621418E-5 × 663 gallons.

Another way is saying that 663 gallons is equal to 1 ÷ 9.4268476621418E-5 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred sixty-three gallons is approximately ten thousand six hundred eight cups:

663 gal ≅ 10608 cup

An alternative is also that one cup is approximately zero times six hundred sixty-three gallons.

Conversion table

gallons to cups chart

For quick reference purposes, below is the conversion table you can use to convert from gallons to cups