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 1989 gallons into cups we have to multiply 1989 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

1989 gal → V_(cup)

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

V_(cup) = 1989 gal × 16 cup

V_(cup) = 31824 cup

The final result is:

1989 gal → 31824 cup

We conclude that 1989 gallons is equivalent to 31824 cups:

1989 gallons = 31824 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 3.1422825540473E-5 × 1989 gallons.

Another way is saying that 1989 gallons is equal to 1 ÷ 3.1422825540473E-5 cups.

Approximate result

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

1989 gal ≅ 31824 cup

An alternative is also that one cup is approximately zero times one thousand nine hundred eighty-nine 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