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 990 gallons into cups we have to multiply 990 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

990 gal → V_(cup)

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

V_(cup) = 990 gal × 16 cup

V_(cup) = 15840 cup

The final result is:

990 gal → 15840 cup

We conclude that 990 gallons is equivalent to 15840 cups:

990 gallons = 15840 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 6.3131313131313E-5 × 990 gallons.

Another way is saying that 990 gallons is equal to 1 ÷ 6.3131313131313E-5 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that nine hundred ninety gallons is approximately fifteen thousand eight hundred forty cups:

990 gal ≅ 15840 cup

An alternative is also that one cup is approximately zero times nine hundred ninety 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