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 688 gallons into cups we have to multiply 688 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

688 gal → V_(cup)

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

V_(cup) = 688 gal × 16 cup

V_(cup) = 11008 cup

The final result is:

688 gal → 11008 cup

We conclude that 688 gallons is equivalent to 11008 cups:

688 gallons = 11008 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 9.0843023255814E-5 × 688 gallons.

Another way is saying that 688 gallons is equal to 1 ÷ 9.0843023255814E-5 cups.

Approximate result

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

688 gal ≅ 11008 cup

An alternative is also that one cup is approximately zero times six hundred eighty-eight 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